The Master Key SystemAudiobook CD - 2008
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.
Publisher: Prince Frederick, Md. : Recorded Books, 
Edition: CD edition.
Copyright Date: ℗2008
Branch Call Number: 131 H111A
Characteristics: 6 audio discs (435 min.) : digital ; 4 3/4 in.