John Hardon's comprehensive, one-volume work of reference defining the key terms of Catholicism; updated to include the most recent developments in the Catholic Church. Clear, concise, and faithful, with over 2,000 entries, is the essential Catholic lexicon in the areas of faith, worship, morals, history, theology, and spirituality. Now revised to include the statements of Pope Benedict XVI and Pope John Paul II, new movements and devotions, and other recent developments within Catholicism, this edition brings the legacy of Father Hardon into the contemporary era. A worthy companion to and Scott Hahn's , this book is an essential resource for the Catholic reader.