A comprehensive look at memory, its importance, and how to develop it through practice.
The Art of Logical Thinking
A Series of Lessons in Raja Yoga
The Hindu-Yogi Science Of Breath
The Sky is the Limit: The Art of Upgrading Your Life: 50 Classic Self Help Books Including.: Think and Grow Rich, The Way to Wealth, As A Man Thinketh, The Art of War, Acres of Diamonds and many more
A Series of Lessons in Gnani Yoga