"A display of scientific courage and imagination." —William Saletan, New York Times Book Review Why do people—even identical twins reared in the same home�

Draws on principles in evolutionary psychology to explore a controversial theory about the source of human personality, challenging current scientific beliefs w

Harris takes on the "experts" and boldly questions conventional wisdom of parents' role in their children's lives, asserting that it's not the home environment

Why do we behave the way we do? Biologist Paul Ehrlich suggests that although people share a common genetic code, these genes "do not shout commands at us...at

From the #1 New York Times-bestselling author of The 48 Laws of Power comes the definitive new book on decoding the behavior of the people around you Robert Gre