Text and illustrations present information on the parts of the body and how they work. Be an eyewitness to the amazing world of your body -- from the incredible framework of the skeleton to the millions of tiny cells that make your body work. Discover how muscles help us move. See the network of nerves inside your head. Find out how X-rays work.

Collects one hundred facts about sharks, describing the different types of sharks, their diet, physical characteristics, behaviors and abilities, and other related topics. Includes illustrations, cartoons, quizzes, and activities.

The Age of Dinosaurs lasted from about 230 million to 65 million years ago. And yet, these formidable reptiles continue to captivate us even today. --

Explores the world of primates, our closest cousins.

Some of the most exciting journeys and discoveries of all time are portrayed through one hundred facts, fantastic illustrations, and fun cartoons. Read about courageous explorers and the challenges they faced, what routes they took, and how their quests changed history and set incredible records.

Explore the bright ideas that changed the way we live. Learn how cell phones work, which ancient people used water to tell the time, and why early bicycles were called "boneshakers."

"A discussion of volcanoes, describing their characteristics, formation, and impacts. Features descriptions of significant volcanic events from history"--