Deharbe's Large Catechism is a hardcover book written in English by Rev. Joseph Deharbe. It is a historical work focusing on the theology and practices of the Roman Catholic Church, particularly emphasizing the concepts of prayer and the life of Jesus. The book provides valuable insights into the church's teachings and beliefs, making it a valuable addition to any collection of religious literature. Its historical significance and comprehensive content make it a worthwhile read for those interested in Catholic theology and the Bible.