“Barash . . . brilliantly integrat[es] science, literature, and pop culture into elegant and insightful commentaries on the most interesting and important questions of our time. A delightful read.”—Michael Shermer, author of The Science of Good and Evil

“Entertaining and thought-provoking.”—Steven Pinker, author of The Blank Slate

If we are, in part, a product of our genes, can free will exist? Incisive and engaging, this indispensable tour of evolutionary biology runs the gamut of contemporary debates, from science and religion to our place in the universe.