#hardcover#science#time#physics#firstedition This book is in good vintage condition, with no damage to the spine. All pages intact but it has a binding crack at page 75. Dust jacket has some discoloration and a rip on the back in the upper left corner. Also someone spilled something on the bottom left of the back, which did not affect the book cover but left a spot on the bottom edge of the pages. First edition, printed in 1981. "In a daring exploration of three intersecting impulses - instinct, intelligence, and survival - Harold Hayes weaves three intriguing strands of narrative."