Books with author H.A. Riddle

Don’t miss the thrilling conclusion to The Long Winter trilogy!* NOTE: The Lost Colony is a full-length novel (378 pages in print). ** * *Can humanity survive on a new world?On Eos, the last survivors of the Long Winter face their greatest challenge yet--and race to unravel the deepest secrets of the grid.* * *The last survivors of the human race escaped a ruined Earth. Their new homeworld--Eos--seemed perfect at first. Warm. Hospitable. Safe from the grid. But everything isn’t as it seems.The first colony of settlers--from the Carthage--have disappeared. Their settlement is still there, but everyone is gone. As James digs into the mystery of the lost colony, he discovers a series of spheres, buried on Eos. Are they the key to finding the lost colonists? Or are they responsible for their deaths?Just as James is unraveling the secrets of the spheres, a storm hits Jericho City. Emma, recently elected mayor, struggles to lead her people to safety while James tries to make his way home. In the middle of the chaos, a new danger emerges--a threat no one saw coming.With time running out to save the colonists, James and Emma face their hardest choice yet.ABOUT THE LOST COLONYThe Lost Colony is the third and final book in The Long Winter trilogy, which began with Winter World and continued in The Solar War.SELECTED PRAISE FOR A.G. RIDDLE“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on Pandemic“I finished the book fast because I just couldn’t wait...”-- WIRED GeekDad on Departure“Riddle... keep(s) the focus on his characters... rather than the technological marvels”-- Publisher’s Weekly on Departure“Well-constructed and tightly-wound as a fine Swiss watch--DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” -- Diana Gabaldon, #1 New York Times bestselling author of Outlander“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarNOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

THE GREATEST MYSTERY OF ALL TIME...THE HISTORY OF HUMAN ORIGINS...WILL BE REVEALED.* * *Read the novel that started it all: The Atlantis Gene is the first book in A.G. Riddle’s bestselling Origin Mystery trilogy, which has sold OVER THREE MILLION COPIES WORLDWIDE (in twenty languages) and received over 25,000+ reviews on Amazon, 18,000+ ratings on Audible, and over 100,000 reviews & ratings on GoodReads. The trilogy is now in development to be a major motion picture.* * *70,000 years ago, the human race almost went extinct.We survived, but no one knows how.Until now.The countdown to the next stage of human evolution is about to begin, and humanity might not survive this time.* * *Off the coast of Antarctica, a research vessel discovers a mysterious structure buried deep within an iceberg. It has been there for thousands of years, and something is guarding it. Could it be the fabled city of Atlantis? Or is it something more dangerous?At the same moment, in Jakarta, Indonesia, a brilliant geneticist named Kate Warner has just discovered a breakthrough treatment for autism. Or so she thinks. What she has found is far more deadly--for her and for the entire human race. Her work could unleash the next stage of human evolution. It might also hold the key to unlocking the mysterious structure off the coast of Antarctica.On the other side of Jakarta, Agent David Vale is racing to uncover a conspiracy with far-reaching implications. But he’s out of time. His informant inside the conspiracy is dead. His own organization has been infiltrated--and his enemy has turned the hunt on him. Now he’s on the run. But when he receives a coded message related to an imminent attack, he risks everything to save the one person that can help him stop it: Dr. Kate Warner.Together, Kate and David race to unravel a global conspiracy and learn the truth about the Atlantis Gene... and human origins. Their journey takes them to the far corners of the globe and into the secrets of their pasts. Their enemy is close on their heels and will stop at nothing to obtain Kate’s research and force the next stage of human evolution--even if it means killing 99.9% of the world’s population. David and Kate can stop them... if they can trust each other. And stay alive.SELECTED PRAISE FOR A.G. RIDDLE“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on Pandemic“I finished the book fast because I just couldn’t wait...”-- WIRED GeekDad on Departure“Riddle... keep(s) the focus on his characters... rather than the technological marvels”-- Publisher’s Weekly on Departure“Well-constructed and tightly-wound as a fine Swiss watch--DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” -- Diana Gabaldon, #1 New York Times bestselling author of OutlanderABOUT THE ATLANTIS GENEOriginally published in 2013, The Atlantis Gene has become a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). The novel’s unique mix of science, history, and suspense has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It’s also enrolled in Kindle Unlimited where subscribers can read for free.

A mysterious signal from deep space could be humanity’s last chance of survival. And reveal the ultimate secret of our origins.* * *The Atlantis World is the third book in THE ORIGIN MYSTERY, a trilogy that has sold over THREE MILLION COPIES worldwide.* * *Northern Morocco: Dr. Kate Warner cured a global pandemic, and she thought she could cure herself. She was wrong. And she was wrong about the scope of the Atlantis conspiracy. Humanity faces a new threat, an enemy beyond imagination. With her own time running out and the utter collapse of human civilization looming, a new hope arrives: a coded message from a potential ally.Arecibo Observatory: Mary Caldwell has spent her life waiting, watching the stars, looking for signs of intelligent life beyond our world. When that day comes, Mary is thrust into a struggle older than the human race, with far greater stakes. She must decide whom to trust because there is nowhere to hide.Antarctica: In the wake of the Atlantis Plague, Dorian Sloane finds himself a puppet to Ares and his mysterious agenda. When Dorian moves to take control of the situation, Ares unleashes a cataclysm that changes everything. As the catastrophe circles the globe, Ares reveals the true nature of the threat to humanity, and Dorian agrees to one last mission: find and kill David Vale and Kate Warner. There will be no prisoners this time. The orders are seek and destroy, and Dorian has been promised that his own answers and salvation lie on the other side.With Dorian in pursuit, Kate, David, and their team race through the ruins of the Atlantean ship left on Earth, across Atlantean science stations throughout the galaxy, and into the past of a mysterious culture whose secrets could save humanity in its darkest hour. With their own lives on the line and time slipping away, Kate, David, and Dorian are put to the ultimate test.SELECTED PRAISE AND PUBLISHED REVIEWS“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on PANDEMIC“I finished the book fast because I just couldn’t wait...”-- GeekDad on DEPARTURE“Riddle (The Origin Mystery trilogy) makes an effort to keep the focus on how his characters react to each other (including to their future selves) rather than to the technological marvels that reshaped their world.”-- Publisher’s Weekly on DEPARTURE“Well-constructed and tightly-wound as a fine Swiss watch- DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.”-- Diana Gabaldon, bestselling author of Outlander on DEPARTURE“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarABOUT THE ATLANTIS WORLDThe Atlantis World is an adventure across space and time that explores the history of the Atlantean homeworld and culture, a topic readers have asked about since the release of the first novel in the series, The Atlantis Gene. Fans of Dan Brown, Michael Crichton, Preston and Child, Robert Masello, and James Rollins are raving about the trilogy, giving it over 25,000 reviews on Amazon and nearly 100,000 ratings on GoodReads. This heart-stopping thriller is the third and final book in A.G. Riddle’s Origin Mystery Trilogy, which is now complete.ABOUT THE AUTHORA.G. Riddle’s novels have sold over four million copies and been published around the world in twenty languages. Several movie studios have optioned his work, including Twentieth Century Fox (Departure) and CBS Films (The Origin Mystery). When he’s not writing, he can be found reading a book, mountain biking, or chasing his two-year-old daughter around the house yelling, “Stop! What do you have in your mouth?”

An ancient pandemic returns--and this time, humanity may be altered forever. The race to stop the Atlantis Plague has begun.* * *The Atlantis Plague is the second book in THE ORIGIN MYSTERY, a trilogy that has sold over THREE MILLION COPIES worldwide.* * *In Marbella, Spain, Dr. Kate Warner awakens to a horrifying reality: the human race stands on the brink of extinction. A pandemic unlike any before it has swept the globe. Nearly a billion people are dead--and those that the Atlantis Plague does not kill, it transforms at the genetic level. A few rapidly evolve. The remainder devolve.As the world slips into chaos, radical solutions emerge. Industrialized nations offer a miracle drug, Orchid, which they mass produce and distribute to refugee camps around the world. But Orchid is merely a way to buy time. It treats the symptoms of the plague but never cures the disease.Immari International offers a different approach: do nothing. Let the plague run its course. The Immari envision a world populated by the genetically superior survivors--a new human race, ready to fulfill its destiny.With control of the world population hanging in the balance, the Orchid Alliance and the Immari descend into open warfare. Now the last hope for humanity is to find a cure. Kate alone holds the key to unraveling the mystery surrounding the Atlantis Plague. The answer may lie in understanding pivotal events in human history--events when the human genome mysteriously changed. Her journey takes her across the barren wastelands of Europe and northern Africa, but it is her research into the past that takes her where she never expected to go. She soon discovers that the history of human evolution is not what it seems--and setting it right may require a sacrifice she never imagined.SELECTED PRAISE AND PUBLISHED REVIEWS“...reads like a superior collaboration between Dan Brown and Michael Crichton.”- The Guardian on PANDEMIC“I finished the book fast because I just couldn’t wait...”- GeekDad on DEPARTURE“Riddle (The Origin Mystery trilogy) makes an effort to keep the focus on how his characters react to each other (including to their future selves) rather than to the technological marvels that reshaped their world.”- Publisher’s Weekly on DEPARTURE“Well-constructed and tightly-wound as a fine Swiss watch- DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.”- Diana Gabaldon, #1 New York Times bestselling author of Outlander on DEPARTURE“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarABOUT THE AUTHORA.G. Riddle’s debut novel, The Atlantis Gene, became a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). Since then, Riddle has released eight more novels, selling millions of copies in two dozen languages. His books feature a unique mix of science, history, and suspense that has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins and continues to sell year after year. He lives in Raleigh, North Carolina.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

From A.G. Riddle, the worldwide bestselling author with OVER 4 MILLION COPIES SOLD, comes a new sci-fi thriller The Guardian book review says, “...reads like a superior collaboration between Dan Brown and Michael Crichton.”* * *A worldwide pandemic...A scientific experiment that could change humanity forever...A race to find a cure--and unravel humanity’s darkest secrets.* * *In Kenya, a deadly outbreak spreads quickly. Local villagers are infected, as are two American college students on summer break.The CDC and WHO send a team, led by Dr. Peyton Shaw. In Africa, Peyton soon discovers that this outbreak is very different from any she’s ever investigated. It appears to be part of a global experiment, one designed to unleash a new era of human existence.As the virus spreads around the world, Peyton uncovers clues that lead to a dark secret in her past. With only hours left to stop the plague, she faces a choice that will change her life forever.Can Peyton stop the outbreak in time? And what’s the truth behind the virus? Is humanity being engineered for some purpose? Is this the end of life as we know it?SELECTED PRAISE AND PUBLISHED REVIEWS“I finished the book fast because I just couldn’t wait...” - GeekDad on DEPARTURE“Riddle (The Origin Mystery trilogy) makes an effort to keep the focus on how his characters react to each other (including to their future selves) rather than to the technological marvels that reshaped their world.” - Publisher’s Weekly on DEPARTURE“Well-constructed and tightly-wound as a fine Swiss watch- DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” - Diana Gabaldon, #1 New York Times bestselling author of Outlander on DEPARTURE ABOUT PANDEMICPANDEMIC is the first new novel from A.G. Riddle in almost two and a half years. The product of extensive research, PANDEMIC takes readers inside the CDC and WHO response to a deadly outbreak and a conspiracy that stretches across time and the globe. PANDEMIC features the real-life science and history blended with fiction that readers have come to know and love in Riddle’s past novels (THE ATLANTIS GENE and DEPARTURE). PANDEMIC is the first novel in a new two-book series, The Extinction Files, which is now complete. Fans of Dan Brown, Michael Crichton, Preston and Child, Robert Masello, and James Rollins are raving about the The Extinction Files, giving it over 3,000 reviews on Amazon and nearly 15,000 ratings on GoodReads. It’s a novel that will change everything you think you know about pandemics. And may just save your life.ABOUT THE AUTHORA.G. Riddle’s novels have sold over four million copies and been published around the world in twenty languages. Several movie studios have optioned his work, including Twentieth Century Fox (Departure) and CBS Films (The Origin Mystery). When he’s not writing, he can be found reading a book, mountain biking, or chasing his two-year-old daughter around the house yelling, “Stop! What do you have in your mouth?”NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

LAUGH YOURSELF SILLY is just what this book will do to readers, with a ton of jokes and hysterical illustrations, there's something for every kid ages 6-14! This 70-page book features samples from some of the best jokes from each book in the series: jokes for kids, knock-knock, spooky, sports, school, holidays, animals, food, funny situations & more, Plus--new, original jokes you won't find in other joke books! Sign up at the author's website, hariddle.com, to get the full book - free! Get info about upcoming titles in the series.

A code hidden in the human genome will reveal the ultimate secret of human existence. And could hold humanity’s only hope of survival.* * *Genome is the second and final book in A.G. Riddle’s bestselling series, The Extinction Files.* * *In 2003, the first human genome was sequenced. It was a breakthrough of historic proportions, but only one scientist knows the full truth of what lies buried in our DNA. That secret will change everything we thought we knew about our past. And our future.Dr. Paul Kraus has spent his career searching for what he calls humanity’s lost tribes--human ancestors who have gone extinct. When Kraus compares the DNA samples of the lost tribes with our own, he discovers a pattern of changes. A code. He believes he knows what the code is, but the technology doesn’t exist to fully decode it. To protect the secret, Kraus hides his work and disappears. For years, the secret remains buried. When Kraus dies mysteriously, his work is lost forever.Now the technology exists to finally unravel the code buried in the human genome. The race to find Kraus’s research has begun, and one group will do anything to find it.Dr. Peyton Shaw and her mother have obtained part of Kraus’s research--and a cryptic message that could lead to the remaining pieces. They soon learn that finding those pieces may be more dangerous than anyone imagined. But there’s no choice. His work is the key to stopping a global conspiracy--and an event that will change humanity forever.The ultimate secret, buried in the human genome, will change our very understanding of what it means to be human. For Peyton, finding it may come at an incredible price. She must weigh the lives of strangers against those she loves: Desmond Hughes and her mother. With time running out, Peyton makes a fateful choice--one that can never be undone.ABOUT GENOMEGENOME is the second novel in A.G. Riddle’s EXTINCTION FILES (a two-book series that is now complete). The first book in the series, PANDEMIC, takes readers inside the CDC and WHO response to a deadly outbreak and a conspiracy that stretches across time and the globe. GENOME completes the mystery with a fast-paced global thrill ride to find a mysterious code buried in the human genome. The series is the product of almost three years of research and features the real-life science and history blended with fiction that readers have come to know and love in Riddle’s past novels. Published by Canyon Road, THE EXTINCTION FILES has been lauded by fans of Dan Brown, Michael Crichton, Preston & Child, Robert Masello, and James Rollins, giving the series over 3,000 reviews on Amazon and nearly 15,000 ratings on GoodReads. ABOUT THE AUTHORA.G. Riddle’s debut novel, The Atlantis Gene, became a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). Since then, Riddle has released eight more novels, selling millions of copies in two dozen languages. His books feature a unique mix of science, history, and suspense that has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins and continues to sell year after year. He lives in Raleigh, North Carolina.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

* Longlisted for the 2019 Wilbur Smith Prize for best published novel. *A new ice age... and a shocking discovery... will change humanity forever.In the near future, an ice age pushes humanity to the edge of extinction.Scientists search for the cause--and any hope of stopping the Long Winter. They send probes into the solar system to take readings. Near Mars, one of the probes makes an incredible discovery: a mysterious object, drifting toward the Sun. Is it the cause of the Long Winter? Or could it be our only hope of survival?With time running out, NASA launches a mission to make contact with the artifact. But it isn’t what anyone thought. Humanity faces a new kind of threat--and an event that will reveal a dark truth about our future.From A.G. Riddle, the worldwide bestselling author with OVER 4 MILLION COPIES SOLD, comes a new sci-fi thriller that will forever change the way you look at Earth’s place in the solar system.SELECTED PRAISE FOR A.G. RIDDLE“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on Pandemic“I finished the book fast because I just couldn’t wait...”-- WIRED GeekDad on Departure“Riddle... keep(s) the focus on his characters... rather than the technological marvels”-- Publisher’s Weekly on Departure“Well-constructed and tightly-wound as a fine Swiss watch--DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” -- Diana Gabaldon, #1 New York Times bestselling author of Outlander“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarABOUT THE AUTHORA.G. Riddle’s debut novel, The Atlantis Gene, became a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). Since then, Riddle has released eight more novels, selling millions of copies in two dozen languages. His books feature a unique mix of science, history, and suspense that has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins and continues to sell year after year. He lives in Raleigh, North Carolina.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

THE GREATEST MYSTERY OF ALL TIME...THE HISTORY OF HUMAN ORIGINS...WILL BE REVEALED.* * *Read the novel that started it all: The Atlantis Gene is the first book in A.G. Riddle’s bestselling Origin Mystery trilogy, which has sold OVER THREE MILLION COPIES WORLDWIDE (in twenty languages) and received over 25,000+ reviews on Amazon, 18,000+ ratings on Audible, and over 100,000 reviews & ratings on GoodReads. The trilogy is now in development to be a major motion picture.* * *70,000 years ago, the human race almost went extinct.We survived, but no one knows how.Until now.The countdown to the next stage of human evolution is about to begin, and humanity might not survive this time.* * *Off the coast of Antarctica, a research vessel discovers a mysterious structure buried deep within an iceberg. It has been there for thousands of years, and something is guarding it. Could it be the fabled city of Atlantis? Or is it something more dangerous?At the same moment, in Jakarta, Indonesia, a brilliant geneticist named Kate Warner has just discovered a breakthrough treatment for autism. Or so she thinks. What she has found is far more deadly--for her and for the entire human race. Her work could unleash the next stage of human evolution. It might also hold the key to unlocking the mysterious structure off the coast of Antarctica.On the other side of Jakarta, Agent David Vale is racing to uncover a conspiracy with far-reaching implications. But he’s out of time. His informant inside the conspiracy is dead. His own organization has been infiltrated--and his enemy has turned the hunt on him. Now he’s on the run. But when he receives a coded message related to an imminent attack, he risks everything to save the one person that can help him stop it: Dr. Kate Warner.Together, Kate and David race to unravel a global conspiracy and learn the truth about the Atlantis Gene... and human origins. Their journey takes them to the far corners of the globe and into the secrets of their pasts. Their enemy is close on their heels and will stop at nothing to obtain Kate’s research and force the next stage of human evolution--even if it means killing 99.9% of the world’s population. David and Kate can stop them... if they can trust each other. And stay alive.SELECTED PRAISE FOR A.G. RIDDLE“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on Pandemic“I finished the book fast because I just couldn’t wait...”-- WIRED GeekDad on Departure“Riddle... keep(s) the focus on his characters... rather than the technological marvels”-- Publisher’s Weekly on Departure“Well-constructed and tightly-wound as a fine Swiss watch--DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” -- Diana Gabaldon, #1 New York Times bestselling author of OutlanderABOUT THE ATLANTIS GENEOriginally published in 2013, The Atlantis Gene has become a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). The novel’s unique mix of science, history, and suspense has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It’s also enrolled in Kindle Unlimited where subscribers can read for free.

Don’t miss the thrilling conclusion to The Long Winter trilogy!* NOTE: The Lost Colony is a full-length novel (378 pages in print). ** * *Can humanity survive on a new world?On Eos, the last survivors of the Long Winter face their greatest challenge yet--and race to unravel the deepest secrets of the grid.* * *The last survivors of the human race escaped a ruined Earth. Their new homeworld--Eos--seemed perfect at first. Warm. Hospitable. Safe from the grid. But everything isn’t as it seems.The first colony of settlers--from the Carthage--have disappeared. Their settlement is still there, but everyone is gone. As James digs into the mystery of the lost colony, he discovers a series of spheres, buried on Eos. Are they the key to finding the lost colonists? Or are they responsible for their deaths?Just as James is unraveling the secrets of the spheres, a storm hits Jericho City. Emma, recently elected mayor, struggles to lead her people to safety while James tries to make his way home. In the middle of the chaos, a new danger emerges--a threat no one saw coming.With time running out to save the colonists, James and Emma face their hardest choice yet.ABOUT THE LOST COLONYThe Lost Colony is the third and final book in The Long Winter trilogy, which began with Winter World and continued in The Solar War.SELECTED PRAISE FOR A.G. RIDDLE“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on Pandemic“I finished the book fast because I just couldn’t wait...”-- WIRED GeekDad on Departure“Riddle... keep(s) the focus on his characters... rather than the technological marvels”-- Publisher’s Weekly on Departure“Well-constructed and tightly-wound as a fine Swiss watch--DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.” -- Diana Gabaldon, #1 New York Times bestselling author of Outlander“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarNOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.

A mysterious signal from deep space could be humanity’s last chance of survival. And reveal the ultimate secret of our origins.* * *The Atlantis World is the third book in THE ORIGIN MYSTERY, a trilogy that has sold over THREE MILLION COPIES worldwide.* * *Northern Morocco: Dr. Kate Warner cured a global pandemic, and she thought she could cure herself. She was wrong. And she was wrong about the scope of the Atlantis conspiracy. Humanity faces a new threat, an enemy beyond imagination. With her own time running out and the utter collapse of human civilization looming, a new hope arrives: a coded message from a potential ally.Arecibo Observatory: Mary Caldwell has spent her life waiting, watching the stars, looking for signs of intelligent life beyond our world. When that day comes, Mary is thrust into a struggle older than the human race, with far greater stakes. She must decide whom to trust because there is nowhere to hide.Antarctica: In the wake of the Atlantis Plague, Dorian Sloane finds himself a puppet to Ares and his mysterious agenda. When Dorian moves to take control of the situation, Ares unleashes a cataclysm that changes everything. As the catastrophe circles the globe, Ares reveals the true nature of the threat to humanity, and Dorian agrees to one last mission: find and kill David Vale and Kate Warner. There will be no prisoners this time. The orders are seek and destroy, and Dorian has been promised that his own answers and salvation lie on the other side.With Dorian in pursuit, Kate, David, and their team race through the ruins of the Atlantean ship left on Earth, across Atlantean science stations throughout the galaxy, and into the past of a mysterious culture whose secrets could save humanity in its darkest hour. With their own lives on the line and time slipping away, Kate, David, and Dorian are put to the ultimate test.SELECTED PRAISE AND PUBLISHED REVIEWS“...reads like a superior collaboration between Dan Brown and Michael Crichton.”-- The Guardian on PANDEMIC“I finished the book fast because I just couldn’t wait...”-- GeekDad on DEPARTURE“Riddle (The Origin Mystery trilogy) makes an effort to keep the focus on how his characters react to each other (including to their future selves) rather than to the technological marvels that reshaped their world.”-- Publisher’s Weekly on DEPARTURE“Well-constructed and tightly-wound as a fine Swiss watch- DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.”-- Diana Gabaldon, bestselling author of Outlander on DEPARTURE“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarABOUT THE ATLANTIS WORLDThe Atlantis World is an adventure across space and time that explores the history of the Atlantean homeworld and culture, a topic readers have asked about since the release of the first novel in the series, The Atlantis Gene. Fans of Dan Brown, Michael Crichton, Preston and Child, Robert Masello, and James Rollins are raving about the trilogy, giving it over 25,000 reviews on Amazon and nearly 100,000 ratings on GoodReads. This heart-stopping thriller is the third and final book in A.G. Riddle’s Origin Mystery Trilogy, which is now complete.ABOUT THE AUTHORA.G. Riddle’s novels have sold over four million copies and been published around the world in twenty languages. Several movie studios have optioned his work, including Twentieth Century Fox (Departure) and CBS Films (The Origin Mystery). When he’s not writing, he can be found reading a book, mountain biking, or chasing his two-year-old daughter around the house yelling, “Stop! What do you have in your mouth?”

An ancient pandemic returns--and this time, humanity may be altered forever. The race to stop the Atlantis Plague has begun.* * *The Atlantis Plague is the second book in THE ORIGIN MYSTERY, a trilogy that has sold over THREE MILLION COPIES worldwide.* * *In Marbella, Spain, Dr. Kate Warner awakens to a horrifying reality: the human race stands on the brink of extinction. A pandemic unlike any before it has swept the globe. Nearly a billion people are dead--and those that the Atlantis Plague does not kill, it transforms at the genetic level. A few rapidly evolve. The remainder devolve.As the world slips into chaos, radical solutions emerge. Industrialized nations offer a miracle drug, Orchid, which they mass produce and distribute to refugee camps around the world. But Orchid is merely a way to buy time. It treats the symptoms of the plague but never cures the disease.Immari International offers a different approach: do nothing. Let the plague run its course. The Immari envision a world populated by the genetically superior survivors--a new human race, ready to fulfill its destiny.With control of the world population hanging in the balance, the Orchid Alliance and the Immari descend into open warfare. Now the last hope for humanity is to find a cure. Kate alone holds the key to unraveling the mystery surrounding the Atlantis Plague. The answer may lie in understanding pivotal events in human history--events when the human genome mysteriously changed. Her journey takes her across the barren wastelands of Europe and northern Africa, but it is her research into the past that takes her where she never expected to go. She soon discovers that the history of human evolution is not what it seems--and setting it right may require a sacrifice she never imagined.SELECTED PRAISE AND PUBLISHED REVIEWS“...reads like a superior collaboration between Dan Brown and Michael Crichton.”- The Guardian on PANDEMIC“I finished the book fast because I just couldn’t wait...”- GeekDad on DEPARTURE“Riddle (The Origin Mystery trilogy) makes an effort to keep the focus on how his characters react to each other (including to their future selves) rather than to the technological marvels that reshaped their world.”- Publisher’s Weekly on DEPARTURE“Well-constructed and tightly-wound as a fine Swiss watch- DEPARTURE has non-stop action, an engaging plot and, of course, wheels within wheels.”- Diana Gabaldon, #1 New York Times bestselling author of Outlander on DEPARTURE“This is apocalyptic sci-fi at its best.”-- Daily Mail on The Solar WarABOUT THE AUTHORA.G. Riddle’s debut novel, The Atlantis Gene, became a global phenomenon, topping best seller charts in the US and abroad. Every year, Amazon compiles a list of the top 100 bestselling Kindle eBooks of the year (by total sales volume). The Atlantis Gene has made Amazon’s annual Kindle bestseller list an unprecedented five years in a row--every year since the book’s release (2013, 2014, 2015, 2016, and 2017). Since then, Riddle has released eight more novels, selling millions of copies in two dozen languages. His books feature a unique mix of science, history, and suspense that has delighted fans of Michael Crichton, Dan Brown, Clive Cussler, and James Rollins and continues to sell year after year. He lives in Raleigh, North Carolina.NOTE: this novel is available in a variety of formats: as an eBook on Kindle Fire and Kindle eReader, as an Audible audiobook, and in print (paperback and hardcover). It is also enrolled in Kindle Unlimited where subscribers can read for free.