"Most anthropologists who have lived among other people . . . feel a periodic need to go back," writes Philip A. Dennis in the introduction to this book. "Fieldwork gives you a stake in the people themselves, a set of relationships that last the rest of your life . . . and when the time is right, it is important to go back."

Dennis first journeyed to Awastara, a village on the northeastern coast of Nicaragua, during 1978-1979 as a postdoctoral student. He had come to study a culture-bound syndrome in which young women are possessed by devils. In the process, he became fascinated by...