How did sex begin? How did it evolve to be so varied and complex in humans? What influence does our genetic ancestry have on our love life today? And what might

An evolutionary history of sex that reveals how two billion years of genetic ancestry--from the first aquatic creatures to primate societies--influences human s

A wild—and satisfying!—ride through two billion years of sexual evolution. The Shortest History books deliver thousands of years of history in one riveting,

The full chronological sweep of democracy, from the assemblies of ancient Mesopotamia and Athens to present perils around the globe. The Shortest History books

Chronic diseases and premature death can often be linked to social, environmental, and behavioral factors that are subject to modification, especially during ad