Donald Tuzin first studied the New Guinea village of Ilahita in 1972. When he returned many years later, he arrived in the aftermath of a startling event: the village's men voluntarily destroyed their secret cult that had allowed them to dominate women for generations. The cult's collapse indicated nothing less than the death of masculinity, and Tuzin examines the labyrinth of motives behind this improbable, self-devastating act. The villagers' mythic...