Covers everything from earth sciences to astronomy; from climate and habitats to human arts and cultures; from ancient history to cutting-edge technology; and d

Covers everything from earth sciences to astronomy; from climate and habitats to human arts and cultures; from ancient history to cutting-edge technology; and d

Shares the answers to over one thousand questions on such topics as animals, natural resources, technology, and history.

This far-reaching reference is designed with many entry points and a visually engaging format to satisfy the curious browser, the student researcher, and the ea

"Fascinating.... Lays a foundation for understanding human history."—Bill Gates In this "artful, informative, and delightful" (William H. McNeill, New York Re