This is one of three books by Majorie V. Waterhouse, one of the earliest and closest pupils of Hari Prasad Shastri, who succeeded him as Warden of Shanti Sadan. She is also the author of Training the Mind through Yoga and The Power Behind the Mind.

This book includes chapters on: What Yoga Has to Offer; The Psychology of Yoga; The Inner Discipline of Yoga; Affirmations Underlying Yoga; How to Succeed in Yoga; Knowledge of the Self; Paths to Enlightenment; Spiritual Investigation; The Ever-Expanding View.

You can read extended extracts on-line from this book about Affirmations Underlying Yoga and The Inner Discipline of Yoga.