A North African port city that was home to as many Europeans as Moroccans, postwar Tangier was truly an international zone, a place where the familiar boundaries of language, culture, nationality, and sexuality blurred, and anything seemed possible. In the 1950s and 1960s three leading American writers settled in Tangier, where they were able to find critical new ways of living and writing on the margins of society. A subtle literary portrait of Paul...