The book "A Complete Guide to Catholic Piety: Containing a Selection of Open Prayers, Devotional Meditations, and Strong Exhortations Adapted to Every State of Life. The book is accompanied by an appendix containing excellent and approved devotions, together with letters and" written by William Hahn. This book offers the reader a variety of devotional materials that will help him immerse himself in the world of spirituality and religiosity. The author enables everyone to find something suitable for themselves, regardless of the state of life, being in it. "The Complete Guide to Catholic Devotion" will become an integral part of the spiritual development of anyone seeking a deeper connection with their faith.