Explains how rain is caused by the water cycle.

Includes bibliographical references (page 23) and index.

A look at April Fools' Day around the world.

'Piranhas are small fish with sharp teeth and a ferocious reputation. They're reputedly such fier...

Children often assume that being fair means that everyone gets the same number of cookies, but at...

Introduces the history of Groundhog Day and explains how it is observed today.

Learn about shape and size, color, and numbers with toys.

'Everyone knows some ghosts are helpful spirits--they may even help with math! In this high-inter...

People might not normally think of bats when they think about jungle animals, but the trees are f...

'A hike is an adventure. You never know what interesting noises you'll hear, awesome animals you'...

Who yelled The British are coming! on the night of April 18, 1775? It wasnt Paul Revere! He also ...

An introduction to the accomplishments of the American explorers Lewis and Clark, including secti...