Books in Dover Children's Science Books series

Boys and girls can create a superhero with vampire teeth, a cowboy with crossed eyes, a robot with a goatee, a pop princess with an eyepatch, and so much more with this colorful book of sticker fun. More than 200 reusable stickers include eyes, noses, mouths, and other funny facial features that can be mixed and matched to create hundreds of different crazy characters.

Learning is fun with this entertaining and informative book about genetics. Forty-six illustrations are accompanied by easy-to-read captions explaining that genes are "chemical instructions" necessary for living things to stay alive and reproduce. Perfect for kids ages 8 and up, this book describes what genes control and how they are passed along from one generation to the next, genes and DNA, genes and proteins, genes that turn on and those that turn off, genes that protect us from harmful bacteria and viruses, and genes that scientists transfer from one kind of living thing to another.

What position did Babe Ruth play for the Red Sox? Who is credited with organizing baseball's rules? (Hint: it's not Abner Doubleday.) How much does an official baseball weigh? Where and when was Major League Baseball's first night game played? Discover the answers to these and dozens of other trivia questions related to America's favorite pastime with this playful book. Young baseball fans are sure to pick up some interesting stats while having nine innings of fun with these 39 winning activities. Crossword puzzles, mazes, find-the-differences, and other challenges offer fascinating facts related to the game and its players. No need to worry about striking out — complete solutions appear at the end.

Kids seeking challenging and fun puzzles will find them inside this colorful book as they look for differences between two seemingly identical and busy scenes. More than 50 spot-the-difference activities include cute picture puzzles that feature everything from pirates to pets, robots to rockets, and dinos to rhinos. Answers appear in the back of the book.

Epicyclic trains, oblique rollers, trip hammers, and lazy-tongs are among the ingenious mechanisms defined and illustrated in this intriguing collection. Spanning the first century of the Industrial Revolution, this 1868 compilation features simplified, concise illustrations of the mechanisms used in hydraulics, steam engines, pneumatics, presses, horologes, and scores of other machines.The movements of each of the 507 mechanisms are depicted in drawings on the left-hand page, and the facing page presents a brief description of the item's use and operation. Ranging from simple to intricately complex, the mechanisms offer a fascinating view of the variety of small components that constitute complex machinery. A detailed index provides easy reference to specific mechanisms.Inventors, tinkerers, and anyone with an interest in the history of invention and technology will find this volume a treasury of information and inspiration.

Connect-the-dots puzzles aren't just for kids anymore. These 45 complex and artistically appealing conundrums are fun to do and a pleasure to behold when completed. You'll find yourself guessing what the picture will be when you start and then be totally amazed when you’re finished.Designed for gamesters of all ages, the full-page brainteasers combine letters of the alphabet with numbers that go well over 100. They also invite puzzle fans to complete and color an entertaining array of pictures — from illustrations of animals, buildings, and vehicles to portrayals of humans, sea life and varieties of food.

Ants are everywhere — in forests, fields, swamps, deserts, suburbs, and cities. There are probably at least a few in your house. Most aren't dangerous, but certain species — including fire ants and army ants — can have lethal effects on humans and animals. Discover fascinating facts about these killer ants: where they can be found, how they organize their colonies, and the methods of controlling their damage.Praised by The New York Times as "the dean of children's science writers," Seymour Simon is the author of more than 250 highly acclaimed science books. Deadly Ants features twenty-seven black-and-white illustrations and is written in accessible language that can be appreciated by readers of all ages.

Discover nine bizarre-but-true incidents: a sudden shower from the sky of fish and frogs; buried treasure that remains untouched, even though its exact location is common knowledge; the abrupt and unexplained disappearance of a ship's crew; an eerie crystal skull that influences observers' thoughts; and more!Praised by The New York Times as "the dean of children's science writers," Seymour Simon is the author of more than 250 highly acclaimed science books. Strange Mysteries from Around the World features 13 photos and drawings and is written in a suspenseful manner that will captivate readers of all ages.

"A fascinating, challenging book." ― A.L.A. BooklistLearn to use the most important codes and methods of secret communication in use since ancient times. Cipher and decipher codes used by spies. Explore the famous codes that changed the fate of nations and political leaders. And enjoy hours of fun experimenting with cryptography ― the science of secret writing. Beginning with simple letter substitutions and transposition ciphers, world-famous science writer Martin Gardner explains how to break complicated polyalphabetical ciphers and codes worked with grids, squares, triangles, and charts. You'll learn codes that are keyed to typewriters and telephone dials . . . even codes that use playing cards, knots, and swizzle sticks. Experiment with invisible writing ― inks that glow in black light and turn red under heat ― and explore the possibilities of sending messages through outer space to unknown worlds. Using this book, you can solve the historically famous Playfair Cipher used by Australia in World War II, the Pigpen Cipher used by Confederate soldiers during the Civil War, Thomas Jefferson's Wheel Cipher, the Beaufort system used by the British Royal Navy, codes devised by authors for heroes in literature ― Sherlock Holmes, Captain Kidd, and the Shadow. And you will enjoy experimenting with bizarre methods of message sending ― the Dot Code, Knot Code, Swizzle Code, and more. Young cryptanalysts, cipher fans, and puzzlists of all ages will find hours of intrigue and challenge in Codes, Ciphers and Secret Writing. "A stimulating must for the intermediate cryptographer." ― The Kirkus Reviews

Do you see yourself as a sharp-eyed private investigator, capable of thoroughly examining evidence, checking all the facts, and coming to a sound conclusion? If the answer is “yes,” then this entertaining collection of solve-it-yourself mini-mysteries is just the book for you.You’ll find 41 challenging cases involving robbery, murder, jewel heists, arson, embezzlement, and other criminal activities. They’re all here in concise, carefully constructed scenarios featuring hapless victims of suspicious redheads, scheming socialites, and assorted crooks.As a would-be detective, you’re invited to crack The Case of The Attic Arsonist, The Case of The Bashful Bullet, The Case of The Bomb in the Bon-Bons, The Case of The Conked Clerk, The Case of The Dapper Dead-Beat, and 36 other intriguing puzzles. Junior-grade sleuths can check their crime-solving conclusions by reading the solutions at the end of each story.

Combine coloring fun with learning how to take care of your best friend! Children and parents alike will benefit from this excellent resource and its helpful suggestions for looking after the family dog. Thirty easy-to-color illustrations are accompanied by kid-friendly captions that offer tips on providing pets with a safe and healthy environment, including how to feed, groom, and train canine companions.

Puzzle fans who love finding hidden objects in pictures will be delighted with this book. Twenty-four visual bafflers challenge keen-eyed observers to locate cowboy hats blown away on a windy day; identify summery items such as an ice cream cone, straw hat, and sunglasses lost in a snowbound landscape; find a teddy bear, book, robot, and other toys left by Santa; and pinpoint other objects positioned in out-of-the-ordinary places.Captions beneath each illustration contain clues indicating the number and kinds of articles hidden in the drawings — all cleverly designed and rendered to test the skills of older children as well as adults. Solutions are provided at the end of the book.