Fresh from medical school, Robert Klitzman began his residency in psychiatry with excitement and a sense of mission. But he was not prepared for what he found inside the city psychiatric center where he was to spend three grueling years. In truth, as Dr. Klitzman's absorbing account of his apprenticeship reveals, he never ceased to be surprised--by his patients, by the senior psychiatrists and by the unpredictable results of his therapies.