Robert Collier taught millions of people how to build a life of more - more success, more achievement, more prosperity - by tapping into the limitless power of the human mind. The Secret of the Ages contains three of Collier's most powerful books combined in one volume: The Secret of the Ages Richest Within Your Reach The Secret of Gold The Secret of the Ages is part of The Library of Spiritual Wisdom, a beautifully designed series of curated classics written by some of the greatest spiritual teachers of all time. With books covering topics ranging from prosperity and motivation to the occult and metaphysical thought, The Library of Spiritual Wisdom is a definitive collection of texts from some of the most revolutionary thought leaders of the last two centuries and belongs on the shelves of home libraries everywhere.