For most of us, remembering the Holocaust requires effort; we listen to stories, watch films, read histories. But the people who came to be called “survivors” could not avoid their memories. Sol Nazerman, protagonist of Edward Lewis Wallant’s The Pawnbroker, is one such sufferer.At 45, Nazerman, who survived Bergen-Belsen although his wife and children did not, runs a Harlem pawnshop. But the operation is only a front for a gangster who pays Nazerman a comfortable...