Therese of Lisieux (1873-1897) a French Carmelite nun who died at the age of 24 was known during her life to only a few of her fellow nuns. Through the posthumous publication of her autobiography she quickly became the most popular saint of modern times. On the basis of her spiritual path, which she called "the Little Way," she was recently declared a Doctor of the Church. Her admirers have included Dorothy Day, Thomas Merton, and Edith Stein. Book...