Bibliography
The Amazing Secrets of the Yogi. c.1937
A Book About You. 1928.
The Master Key System. 1912
Mental Chemistry. 1922.
The New Psychology. 1924.
Haanel's book The Master Key System, was published in 1912, when he was 46 years old. It is written in the form of a course in New Thought, mental development, financial success, and personal health. The book was heavily promoted in the pages of Elizabeth Towne's New Thought magazine The Nautilus. By 1933 it had allegedly sold over 200,000 copies worldwide. Haanel practiced the financial principles he preached, and...