The master key system in twenty-four parts with questionnaire and glossary

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).

First sentence: It is my privilege to enclose herewith Week One of The Master Key System.

Year

1919

Language

English

Publisher

bnpublishing.com

Editions

132

Reader rating

4.3 / 5 (8)

Pages

250

ISBN

9789562910880

Data source: Wikidata