An introduction to the American Constitution, including why and how it was written and how it is amended.

Travel backward through time from today's scattered billions to the handful of early humans who lived in Africa 60,000 years ago and are ancestors to us all.

In Deep Ancestry, scientist and National Geographic explorer Spencer Wells shows how tiny genetic changes add up over time into a fascinating story. Using scores of real-life examples, helpful analogies, and detailed diagrams and illustrations, he explains exactly how each and

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An introduction to the life and music of the composer and musician Mozart.

Discusses the life of Queen Elizabeth I, from her birth to Henry VIII and Anne Boleyn in 1533, her imprisonment by her half-sister, through her reign as one of England's more respected monarchs, to her death in 1603.

Presents the life and accomplishments of the Polish-born chemist, discussing her scientific work in radioactivity and her two Nobel prizes.

Travel statistics say that baby boomers travel more than any other age group in America--and that an ever increasing number of them are looking for ways to spend their leisure time in substantial, meaningful ways. One especially fast-growing area of interest is the "experience-driven" or "wellness" vacation, a proactive approach based on the idea that true recreation involves positive engagement: acquiring a new skill or volunteering to share your...

Describes mummies, both natural and man-made.

Presents a miscellany of facts about bats.