St. Alphonsus Liguori (1696-1787) is one of the most renowned spiritual writers in the history of the Catholic Church. His many works on moral theology, prayer, the Blessed Virgin Mary, and more earned him the title Doctor of the Church less than a century after his death. This succinct, easy-to-read book - which includes anecdotes from the author's own reversion story - presents, in an engaging manner, many of this beloved saint's most profound...