Born in 1918 into a working-class Edinburgh family, Muriel Spark became the epitome of literary chic and one of the great writers of the twentieth century. Her autobiography, Curriculum Vitae, recorded her early years but politely blurred her darker moments: troubled relations with her family, a terrifying period of hallucinations, and disastrous affairs with the men she loved. At the age of nineteen, Spark left Scotland to get married in southern...