PROLOGUE
PART ONE
JUST ANOTHER SPECIES OF BIG MAMMAL
ONE
A TALE OF THREE CHIMPS
TWO
THE GREAT LEAP FORWARD
PART TWO
AN ANIMAL WITH A STRANGE LIFE-CYCLE
THREE
THE EVOLUTION OF HUMAN SEXUALITY
FOUR
THE SCIENCE OF ADULTERY
FIVE
HOW WE PICK OUR MATES AND SEX PARTNERS
SIX
SEXUAL SELECTION, AND THE ORIGIN OF HUMAN RACES
SEVEN
WHY DO WE GROW OLD AND DIE?
PART THREE
UNIQUELY HUMAN
EIGHT
BRIDGES TO HUMAN LANGUAGE
NINE
ANIMAL ORIGINS OF ART
TEN
AGRICULTURE'S TWO-EDGED SWORD
ELEVEN
WHY DO WE SMOKE, DRINK, AND USE DANGEROUS DRUGS?
TWELVE
ALONE IN A CROWDED UNIVERSE
PART FOUR
WORLD CONQUERORS
THIRTEEN
THE LAST FIRST CONTACTS
FOURTEEN
ACCIDENTAL CONQUERORS
FIFTEEN
HORSES, HITTITES, AND HISTORY
SIXTEEN
IN BLACK AND WHITE
PART FIVE
REVERSING OUR PROGRESS OVERNIGHT
SEVENTEEN
THE GOLDEN AGE THAT NEVER WAS
EIGHTEEN
BLITZKRIEG AND THANKSGIVING IN THE NEW WORLD
NINETEEN
THE SECOND CLOUD
EPILOGUE
FURTHER READING
ACKNOWLEDGEMENTS
