Books with author Mark Osborne

A Crazy Day with CobrasMerlin’s beloved penguin, Penny, has been put under a spell! It’s up to Jack and Annie to find the four things that will break the spell. When the magic tree house whisks them back to India over four hundred years ago, they discover an amazing and exotic world filled with great danger. Dogs in the Dead of NightJack and Annie must find a rare flower to save one of their best friends! So when the magic tree house whisks them back in time to the Swiss Alps, they’re confused. How can they find a flower buried under ice and snow? Jack thinks their mission is hopeless! Abe Lincoln at Last!When the magic tree house whisks Jack and Annie back to Washington, D.C., in 1861, Jack can’t wait to meet Abraham Lincoln himself! But the new president is too busy to see them, as he is desperately trying to save a nation in crisis.When Jack and Annie ask for some magical help, they go back even further in time to a mysterious woods. A Perfect Time for PandasJack and Annie are off to a village in the mountains of southeast China, close to a world-famous panda reserve. Will it be their easiest adventure yet? Not a chance! Jack and Annie don’t know it, but they’ve arrived on the day of a historic earthquake!

Mary Pope Osborne's book, part of the relaunch of the My America series, tells the story of Ginny , a young girl who keeps a journal during the Civil War's Battle of Gettysburg.Virginia Dickens has promised to keep a journal for her older brother Jed. And Ginny finds plenty to write about: Pennsylvania Volunteers arrive in the town square reporting a big battle in Virginia and calling for more men to join their ranks. Rumors fly that the Rebs are headed to Gettysburg, and the Battle of Gettysburg ensues. Suddenly, Ginny's quiet town is filled with the injured.Ginny's brother Jed has joined the Union army, and they find him wounded in a makeshift hospital. With Ginny's nursing, he recovers, and Ginny is is able to witness the President's Gettysburg Address.

Travel back in time in the magic tree house with Jack and Annie in this #1 bestselling series and meet the greatest warriors of all--the Romans!We are warriors! Jack and Annie have met knights, pirates, ninjas, and Vikings, but they have never met the most fearsome warriors of all: Roman soldiers. When the magic tree house whisks them back to the early 100s AD, Jack and Annie find themselves in a Roman camp. Their mission: Be like a warrior.That is easier said than done! The Roman soldiers are much scarier in person--and suspicious of strangers. Then a mysterious man riding a black horse gives Jack and Annie some advice to help them on their mission. But the man may not be who he seems. Will Jack and Annie be good warriors? Can they learn what makes the Roman soldiers so great? And who is the mysterious rider . . . ?Did you know that there's a Magic Tree House book for every kid?Magic Tree House: Perfect for readers who are just beginning chapter booksMerlin Missions: More challenging adventures for the experienced readerFact Trackers: Nonfiction companions to your favorite Magic Tree House adventuresIf you're looking for Merlin Mission #31: Summer of the Sea Serpent, it was renumbered as part of the rebrand in 2017 as Merlin Mission #3.

A collection of adventures from Jack and Annie! This volume includes:Dinosaurs Before DarkThis time, Jack and Annie travel back 65 million years to a land filled with volcanoes, dinosaurs, and danger!The Knight at DawnJack and Annie travel back in time to medieval England for an adventure inside a storybook castle, from feasting hall to dreadful dungeon. Mummies in the MorningJack and Annie find themselves whisked away to ancient Egypt, where they come face to face with a dead queen--and her 1,000-year-old mummy!Pirates Past NoonJack and Annie are in deep trouble when the Magic Tree House whisks them back to the days of desert islands, secret maps, hidden gold--and ruthless pirates! Will Jack and Annie discover a buried treasure? Will they find out the identity of the mysterious M? Or will they walk the plank?