Ballantine Books Speculations on the Evolution of Human Intelligence

Dr. Carl Sagan takes us on a great reading adventure, offering his vivid and startling insight into the brain of man and beast, the origin of human intelligence, the function of our most haunting legends--and their amazing links to recent discoveries.(at)lt;br(at)gt;"A history of the human brain from the big bang, fifteen billion years ago, to the day before yesterday...It's a delight."(at)lt;br(at)gt;THE NEW YORK TIMES