The name dinosaurs might make you picture large green beasts, but that's just the work of artists and your imagination. The truth is that nobody really knows what color dinosaurs were.

T-Rex was 46 feet long and had seven-inch long teeth. When he catches his meal it takes only one bite from his massive jaws to snap their backbones.

The Triceratops might have made a great pet. With large sharp horns on its head, Triceratops was mean looking, but T-Rex wasn't fooled.

Corythosaurus is the dino with the crest on top of its head. It's named after the shape of this crest. This dino didn't have reptile skin like other dinos but gross pebbly bumps all over.

Brachiosaurus was the tallest dino of them all. When you're this tall who has enemies? Not Brachy. The only predators that lived in the same time period as this dino were much smaller.

Of all the dinosaurs that had mouths like a duck, Parasaurolophus was the most unusual looking. This duck-bill had a crest growing out of the back of its head. Some were up to six feet long!

Some books come with fuzzy covers and some books even come with their own lock. Prehistoric Worlds comes with a warning: Beware of dinosaurs that will suck you into the pages of this book.

Who knew science could be this exciting? Find adventure at a camp that takes you out of the classroom and into the wild!

A giant fossil sea monster found in the Arctic had such a ferocious bite it would have been able to crush a 4x4 car, say researchers.

The term “dinosaur” means “terrible lizard,” but the truth is that not all dinosaurs were gigantic, ferocious, bloodthirsty creatures. While many were large, some were actually quite small; while many were meat-eaters, some survived solely on vege

Tyrannosaurus rex – “Tyrant Lizard King” – even the name’s impressive. When the T-Rex was first given his title, he was the largest land predator ever discovered. With his hugely powerful head and enormous, razor-sharp teeth, he soon became one

Nearly 2,000 different types of dinosaurs may have walked the earth at one time or another, and they came in a variety of shapes and sizes – just like us! Some had pretty weird features, like elaborate crests or uncommonly large claws.

While dinosaurs ruled the land, the oceans of the world were filled with incredible species of their own. Vast marine reptiles dominated the seas. Some of these fearsome swimming creatures grew to nearly 65 feet long – the largest predators the world ha

This amazing oversized hardcover book and is absolutely stunning. The main cover has a raised-effect Tyrannosaurus rex on it – run your fingers over it to feel the scaled. With shiny gold lettering across the front, this is a really good-looking book, i