For the late Fuad I. Khuri, a distinguished career as an anthropologist began not because of typical concerns like accessibility, money, or status, but because the very idea of an occupation that baffled his countrymen made them-and him-laugh. "When I tell them that 'anthropology' is my profession . . . they think I am either speaking a strange language or referring to a new medicine." This profound appreciation for humor, especially in the contradictions inherent in the study of cultures, is a distinctive theme of "An Invitation to Laughter, " Khuri's astute memoir of life as an...