In 1954, in a remote mountain village in South America, a little girl was abducted. She was four years old. Marina Chapman was stolen from her home and then abandoned deep in the Colombian jungle. That she survived is a miracle. Two days later, half-drugged, terrified, and starving, she came upon a troop of capuchin monkeys. Acting entirely on instinct, she tried to do what they did: she ate what they ate and copied their actions, and little by...