Evelyn Underhill (1875–1941) was one of the greatest spiritual writers of the twentieth century. Living most of her life in England, Underhill used writing as a vehicle to express her passionate search for the infinite life. Her philosophy transcends generations and her legacy as a pivotal figure in Christian mysticism endures today. In this comprehensive biography Dana Greene expertly captures Underhill's true essence. She gives us a thorough account of Underhill's development as a mystic and theologian and also explores beyond to the heart of who she was as a person. The connections Greene makes between Underhill's personal life and work create an in-depth and accurate portrait of this extraordinary woman.