This is the most complete source on mantras, meditation, and other techniques of self-inquiry readily available. It is a psychological study, a guide for practice and a source of great learning. It contains all techniques for understanding, and controlling the mind. Raja, Hatha, Kundalini, Jnana and Mantra Yoga are all discussed in detail. Swami Vishnu-Devananda is also the author of The Complete Illustrated Book of Yoga.
"Written by a experienced spiritual practitioner, the book gives an authentic overview of the subject in accordance with tradition, with an emphasis on the practical aspects ... will certainly provide a useful overview of the yoga techniques while giving practical hints to their practice." Prabhuddha Bharata. "The metods presented in this book follow the tradition from which all the four yogic paths of Raja, karma, Jnana and Bhakti stem out... Yogas are som well explained that even a lay reader will have little difficulty in grasping and understanding the techniques to control the mind..." - The astrological magazine