The ocean is filled with scary creatures-but sea beasts of the past, like the 60-foot-long Megalodon, were even stranger! Learn all about prehistoric creatures of the deep, and what would happen if they came back to life!
Prehistoric Stupendemys was a turtle so large that a car could fit on its shell. What would happen if the giant beasts of the past came back to life? Learn amazing facts about these fascinating creatures!
Dinosaurs weren't the only prehistoric beasts on Earth-before them, there were many other incredible creatures, some even bigger and scarier than T. Rex. Learn all about the terrifying creatures of the past!
Many prehistoric beasts looked similar to modern animals that live on Earth, other than a few unique changes-like size! Learn more about the ancestors of modern animals, and imagine these extinct beasts coming back to life.
More than three billion years ago, life began on Earth. Join your friendly prehistoric fish-guide on an adventure through the Precambrian, Devonian, Carboniferous, and Permian chapters of the incredible story of evolution.
About 145 million years ago, a new―and final―era began in the reign of dinosaurs. Join your friendly prehistoric fish-guide on a tour of the Cretaceous period, from the heyday of dinosaurs to their extinction.
After the dinosaurs disappeared, a new form of life began to thrive on Earth. This final book in the series traces the emergence of mammals, from woolly mammoths to killer pigs to humans.
About 203 million years ago, the first dinosaurs began to roam Earth. Join your friendly prehistoric fish-guide on an adventure through the Triassic and Jurassic eras―thrilling chapters in the story of evolution.