Laurence Pringle

"Dramatic, factual illustrations accompany facts about sharks"

Describes a variety of scary animals, including the alligator, black widow spider, and mountain lion.

An introduction to frogs including their life cycle.

Traces the history of man's discoveries about evolution, covering both the mechanisms of evolution and examples of natural selection.

Discusses human life before birth and, hence, the reason for the bellybutton.

"This nonfiction book takes young readers on a journey into the lives of wolves, the largest of all wild mammals who have lived in the Northern Hemisphere for millions of years. Kids will learn how wolves use their powerful jaw muscles and sharp teeth to hunt their prey, how a wolf pack forms, and the meaning of different wolf howls. This book explores every aspect of these fascinating canines and even corrects erroneous myths and lore about them."--...

Follows one caterpillar as she feasts, tiny and hidden, in the tall summer grass; molts and grows; then sets off on the fall journey where she's most likely to be seen.

A detailed account of the Lewis and Clark expedition features the dog that was its most unusual member. Selections form the actual journals of Lewis and Clark appear throughout the text.