""An Advanced Catechism of Catholic Faith and Practice"" by Thomas J. O'Brien is a comprehensive guide to the teachings and practices of the Catholic Church. This book is intended for those who have a strong foundation in Catholicism and are seeking a deeper understanding of the faith. The book covers a wide range of topics, including the nature of God, the Trinity, the sacraments, the Church hierarchy, and the role of the laity. It also delves into...