This is one of the greatest books ever written on the creative power of thought. Inside you will find the secret of all power, all achievement and all attainment. Discover the key to the solution of every problem whether physical, financial, or environmental. The timeless principles enclosed herein will guide you toward absolute control of your thoughts, allowing you to create the life you desire.

The Master Key System is a personal development book by Charles F. Haanel (1866–1949) that was originally published as a 24-week correspondence course in 1912, and then in book form in 1916. The ideas it describes and explains come mostly from New Thought philosophy. It was one of the main sources of inspiration for Rhonda Byrne's film and book The Secret.

The Master Key System is a personal development book by Charles F. Haanel. The book describes many New Thought beliefs such as the law of attraction, creative visualization and man's unity with God, and teaches the importance of truth, harmonious thinking and the ability to concentrate. The Book that will not only leave you 'feeling' good, but also 'thinking' good. In The Master Key System, presented as a series of twenty-four lessons, delivered to students, Charles Haanel discusses everything from how to feel healthy to how to become wealthy.

This edition of "The Master Key System" by Charles F. Haanel, originally published in 1912, is a complete version containing all 28 chapters. It outlines a 24-week self-help program based on the idea that our thoughts and beliefs shape our 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. Charles F. Haanel's timeless work has been rediscovered for the benefit of today's listener. Newly updated for the 21st Century, the time-tested wisdom of Haanel's system reveals techniques to unlock thought as a creative energy and power.