Charles F. Haanel was a noted American author and businessman. He belonged to the American Scientific League, The Author’s League of America, The American Society of Psychical Research, the St. Louis Humane Society and the St. Louis Chamber of Commerce.

His books included:

The Master Key System (1918) Coming Soon!
The New Psychology (1922) Coming Soon!
Cause and Effect (1923) Coming Soon!
Mental Chemistry
and soon New Thought Library will be presenting all of them here for you to read.

Born in Ann Arbor, Michigan, Charles F. Haanel began his business career in St. Louis. He resigned his position in order to start his own company and eventually founded one of the largest conglomerates of his time.

He wrote several books which were published in St. Louis by Psychology Publishing and by his Master Key Institute in New York. Mr. Haanel put into books the ideas and methods he used to gain his success. Besides the "Master Key System," which he wrote in 1912, he also wrote "Mental Chemistry" and "The New Psychology"