The Master Key System
4.0
(6 ratings)128 pages2007Digireads.comISBN 9781420929072
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
- Digireads.com
- Published
- 2007
- Pages
- 128
- ISBN
- 9781420929072
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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