"The Doctrine and Practice of Yoga, Including Practices and Exercises of Concentration, Both Objective and Subjective, Active and Passive Mention, Explanation of Maya, the Cult of the Teacher and the Cult of the Terrible, and the Secret of Will-Power" written by Mukherjee , A.P., swami. This book is an important source of knowledge for those interested in a deeper understanding of yoga, its practices and philosophy. The author offers the reader a study of important aspects of yogic practice, which help to get closer to one's inner world and enrich spiritual development. With detailed explanations and exercises, the book will help you dive deeper into the world of yoga and self-improvement.