Dragons of Eden: Speculations on the Evolution of Human Intelligence - Carl Sagan 1977 Random House HBDJ Mars Without a moral compass to

Without a moral compass to guide them

Tolstoy saw a tragedy that involved all mankind

" Now revised and expanded

collecting the greatest stories written in each genre

Dragons of Eden: Speculations on the Evolution of Human Intelligence - Carl Sagan 1977 Random House HBDJ Mars Without a moral compass toCondition: Good: Good condition for a used book! Some wear. See images for the condition of this book. Blurb: Dr Carl Sagan takes us on a great reading adventure, offering his vivid and startling insights into the brains of humans & beasts, the origin of human intelligence, the function of our most haunting legends and their amazing links to recent discoveries.