The Master Key is here given to the world as a means of tapping the great Cosmic Intelligence and attracting from it that which corresponds to the ambitions, and aspirations of each reader. The Master Key teaching has been published in the form of a Correspondence Course of 24 lessons, delivered to students one per week for 24 weeks. The reader, who now receives the whole 24 parts at one times, is warned not to attempt to read the book like a novel,...