After overcoming an illness by what he believed to be subliminal means Robert Collier became fascinated with the power of the mind and how it can be used to create success in every area of life. Collier believed that one's subconscious mind is like a sleeping giant and once awoken it can bring fame, fortune and happiness. He set to work on a series of psychology texts and The Secret of the Ages, released in 1926, was the first to explore this theory...