Simple, yet informative text combines with extraordinary photographys, maps, animal facts and classification charts.

The world of nature is presented to children in this colorful encyclopedia.

"Minutes, months, millennia - how long is a life on earth?"

You will find the history of the world covering the major civilizations, rulers and events. The book paints a vivid picture of everyday life over thousands of y

An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students.