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When the giant Apatosaurus walked, the ground shook. Once known as Brontosaurus, this dinosaur was one of the largest land animals on Earth. Vibrant images, accompanied by colorful …
The fierce and deadly sabertooth cat pounced on its prey during the Ice Age. Readers learn about this prehistoric predator from engaging, carefully leveled text and bold …
Dinosaurs like Stegosaurus had stiff plates on their bodies. Some used their plates to heat themselves up or cool themselve off. Others had plates to scare off predators. Bold …
Welcome to the world of Triceratops Though a plant eater, this dino could pack a punch with its sharp horns and giant body. Learn all about this mighty dinosaur where it lived, …
Ground sloths were enormous, ice age plant eaters with giant claws. Awesome illustrations accompany carefully leveled text about food, habitat, life cycle, and extinction, bringing …
Tyrannosaurus rex and its relatives were fearsome meat eaters and deadly predators. Their strong teeth and jaws could crush bone. Bold images, colorful maps, and interesting facts …
This book uncovers just how long it takes for the remains of a living thing to become a fossil. Learn fascinating facts about this process. Read this book to find out more about …
Ankylosaurus and other armored dinosaurs were the tanks of the prehistoric world. Sharp spikes and rock-hard plates protected these plant eaters from dangerous predators. Bold …
Parasaurolophus was a dino that could move. This prehistoric plant eater could run up to 25 miles an hour on two legs. Readers learn about this duck-billed dinosaur from engaging …
Great white, bull, and tiger sharks are some of today's most talked-about sharks. But have you met the sharks of yesterday? Each prehistoric shark had its own amazing--and …