Travel back to the days of raging raptors and the terrifying Tyrannosaurus rex, when dinosaurs ruled the earth. Plus, see some of the world's creepiest creatures such as spiders, ants, dung beetles, and more.

It's 82 million years ago. Tyrannosaurus rex rules the land. But T. rex is not the fiercest predator alive. To find the giant killer carnivores, you must take your life in your hands and join a family of dolphinlike reptiles called Dolichorynchops ("dolly" for short) as they venture deep into the realm of Sea Monsters. A young female sea dolly is born in the shallow waters of a prehistoric Kansas Mesozoic-era lake and learns to survive after encountering...

What was that? That's the roaring burp of a bullfrog! See that? That's the slick, shiny skin of colorful little rainforest frogs! Alive with froggy facts, this book has the coolest photos to bring kids deep into the swampy world of our amphibian amigos.

Learn about penguins and how they live.

Describes different types of ants and their behavior.

This book describes how rocks and minerals are formed by geological processes, and how they are used in our lives.

Introduces the migration patterns of monarch butterfies, describing the vast distances they cover, why they migrate, and the dangers they face along the way.

Profiles several different animals from around the world that live in different habitats.

Discusses various types of planes and their different functions and uses.