Japan is the only country in the world where women writers laid the foundations of classical literature. The Kagero Diary commands our attention as the first extant work of that rich and brilliant tradition. The author, known to posterity as Michitsuna’s Mother, a member of the middle-ranking aristocracy of the Heian period (794–1185), wrote an account of 20 years of her life (from 954–74), and this autobiographical text now gives readers access to a woman’s experience of a thousand years ago. The diary centers on the author’s relationship with her husband, Fujiwara Kaneie, her kinsman from a more powerful and prestigious branch of the family than her own. Their marriage ended in divorce, and one of the author’s intentions seems to have be...