The memorable characters and Venetian drama that have long captivated Donna Leon’s many readers are on full display inThe Temptation of Forgiveness, the twenty-seventh novel in the bestselling mystery series. Surprised, if not dismayed, to discover from his superior that leaks are emanating from theQuestura, Commissario Guido Brunetti is surprised more consequentially by the appearance of a friend of his wife’s, fearful that her son is using drugs and hopeful Brunetti can somehow intervene. When the woman’s husband is found unconscious with a serious brain injury at the foot of a bridge in Venice after midnight, Brunetti is drawn to pursue a possible connection to the boy’s behavior. But the truth, as Brunetti has experienced so often, is not so straightforward.