The 19 Class Hours is a specialized book that deals with the topics of intention, composition, and mantras. Written by Peter Selg and Constanza Kaliks, the work offers an in-depth analysis and reflection on the philosophical and religious aspects embedded in these themes. With a paperback cover and a total of 248 pages, the book is suitable for both students and those interested in philosophy and religion. It particularly addresses the perspectives of other religions and invites engagement with their content. The publication is scheduled for 2025 and will be available in German. The authors contribute their expertise to provide readers with a comprehensive understanding of the topics discussed. This book is a valuable resource for anyone looking to explore the complex interconnections between spirituality and philosophical thought.