Mouni Sadhu (1897-1971) is the pen name taken by Dymitr Sudowski an occultist, spiritual teacher and author. The word 'mouni' means silent and 'sadhu' refers to a wandering holy man. The author has studied many paths on the route to self-realization, from Western Magic and Hermeticism to the bhakti yoga teachings of Ramana Maharshi. His writings are a wealth of practical and useful information and advice. His books cover subjects such as concentration, meditation, spiritual growth, the higher consciousness Theurgy and the Tarot.