This is one of the first and more profound books produced by the whole of the New Thought movement. It inspired authors as Orison Swett Marden, William Walker Atkinson, William James and others, that inspired by Troward, continued in the search for the forces that are part of every single human being, and which, well used, can take us to success, prosperity and happiness. This collection contains five of his books, including his best known ones. You will find in them phrases, advice and wisdom that is the base for many modern writers.