The papal encyclical Humanae Vitae predicted the disintegration of marriage and family life, partly as a result of the widespread use of contraception. Pope John Paul II has since addressed the problem by articulating a fresh understanding of marriage, love, and sexuality which takes account of the dignity of the human person, and especially of women. In this most exhaustive and scholarly assessment of John Paul II's Christian anthropology ever written, Mary Shivanandan examines the scientific data and the theological analysis that underlie his teachings on marriage and sexuality. Her book will be an essential text for the study of the development, meaning, and implications of Catholic doctrine in this controversial area. It is both lucid and multi-disciplinary. Its appearance marks a new stage in the debate over sexuality in the modern world.