The Master Key System
4.0
(6 ratings)224 pages2008Penguin Group USA, Inc.ISBN 9781429553971
About this book
The Master Key System is a personal development book by Charles F. Haanel that was published in 1912. Though originally a 24 week correspondence course, it was published in book form in 1917. Along with "The Science of Getting Rich", by Wallace D. Wattles, the Master Key System is the source of Rhonda Byrne's inspiration for the book and the film "The Secret" (2006).
Publication Details
- Publisher
- Penguin Group USA, Inc.
- Published
- 2008
- Pages
- 224
- ISBN
- 9781429553971
About Unknown Author
American author, philosopher and a businessman.[3] He is best known for his contributions to the New Thought movement through his book The Master Key System.
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