Why do we use soap? Which part of your skin is waterproof? How do germs pass from one person to another? Find the answers to these questions and much, much more in this picture-packed introduction to the human body.

Captioned illustrations and photographs along with text identify types of trucks and their uses.

"looks at a selection of high-interest animals that share a common skill, examining how each animal has adapted to survive in its own particular environment. This book looks at animals that hunt, and includes pages on lions, sharks, crocodiles, spiders, and more!"-- Provided by publisher.

Discusses types of guns and the techniques that forensic scientists use to investigate gun crimes, and describes several crimes involving guns and how they were solved.

Introduces the life cycle of an oak tree, from the sprouting of an acorn through its more than 100 years of growth.