The Master Key System teach you that everything around us was first developed as a thought. Thought, therefore, is the powerful catalyst towards making any idea a reality. What would be possible if you could unlock your entire mental potential? The Master Key System is one of the classic works in the Science of Thought tradition. This book will not only leave you feeling good, but also thinking good. Charles F. Haanel discusses everything from how to feel healthy to how to become wealthy. Using precise logic and a consistent, common-sense frame-work, he shows us how to achieve that what we most desire.

About the Author:
Charles Francis Haanel (May 22, 1866 – November 27, 1949) was a noted American New Thought author, philosopher and a businessman. He is best known for his contributions to the New Thought Movement through his book The Master Key System. The Haanel family was of Swedish extraction, but had lived in Silesia, Prussia, before emigrating to Canada and thence to the United States. 
Haanel's book The Master Key System was published in 1912, when he was 46 years old. It is written in the form of a course in New Thought, mental development, financial success, and personal health. The book was heavily promoted in the pages of Elizabeth Towne's New Thought magazine The Nautilus. By 1933 it had allegedly sold over 200,000 copies worldwide. Haanel practiced the financial principles he preached, and was a self made success who owned several major companies. According to Stevens, writing in 1909 – he was president of the Continental Commercial Company, president of the Sacramento Valley Improvement Company, and president of the Mexico Gold & Silver Mining Company.