Hill's work has been influential in the field of personal development and success literature, and he is often credited with popularizing the idea of the "mastermind group." He also wrote several other books, including *The Law of Success* (1928), *The Science of Success* (1948), and *Outwitting the Devil* (1938).
Here is a more complete list of Napoleon Hill's written works:
Books
* The Law of Success (1928)
* The Science of Success (1948)
* Outwitting the Devil (1938)
* Think and Grow Rich (1937)
* The Master Key to Riches (1939)
* Napoleon Hill's Keys to Success (1941)
* How to Sell Your Way Through Life (1949)
* The Success Road (1950)
* Think and Grow Rich: A Black Choice (with George S. Maye) (1967)
* Think Your Way to Wealth (with W. Clement Stone) (1966)
* Grow Rich! With Peace of Mind (with W. Clement Stone) (1967)
* Success Through a Positive Mental Attitude (with W. Clement Stone) (1968)
* The Keys to Success (with W. Clement Stone) (1969)
Articles
* "The Philosophy of Success" (1928)
* "The Success Secret of Henry Ford" (1929)
* "The Master Key to Riches" (1930)
* "How to Sell Your Way Through Life" (1939)
* "The Road to Success" (1950)
* "Think and Grow Rich" (1957)
* "The Keys to Success" (1969)
Lectures
* "The Law of Success" (1928)
* "The Science of Success" (1948)
* "Outwitting the Devil" (1938)
* "Think and Grow Rich" (1937)
* "The Master Key to Riches" (1939)
* "How to Sell Your Way Through Life" (1949)
* "The Success Road" (1950)
* "Think and Grow Rich: A Black Choice" (1967)
* "Think Your Way to Wealth" (1966)
* "Grow Rich! With Peace of Mind" (1967)
* "Success Through a Positive Mental Attitude" (1968)
* "The Keys to Success" (1969)