Charles F. Haanel 
The Master Key System 

By 1933 The Master Key System had sold over 200, 000 copies and then seemingly disappeared. The Master Key System is one of the finest studies in self-improvement, mind-stuff, and higher consciousness ever written. Covering everything from how to get wealthy to how to get healthy, Mr. Haanel leaves no stone unturned. With precision, he elucidates on each topic with logic and rigor that not only leaves you feeling good, but also thinking good. The book was banned by the Church in 1933 and has been hidden away for seventy years! Rumor has it that while he was attending Harvard University, Bill Gates discovered and read The Master Key System by Charles F. Haanel. It was this book that inspired Bill Gates to drop out of the University and pursue his dream of ‘a computer on every desktop.’