THE MASTER KEY. Scientific Concentration (THE SUCCESS COLLECTION) by L. W. DE LAURENCE

This is the pioneer and very famous book by L.W. De Laurence, which inspired several authors of the self help movement. De Laurence was an author and publisher on occult and spiritual topics, who collected and condensed in this amazing book Golden Nuggets of wisdom on subjects that latter became common knowledge, such as the law of attraction and the power of the mind.Filled with practical advice and exercises that will improve your mind, it will unlock the door to a better self using his THE GREAT GOSPEL OF OPTIMISM, and learning how to acquire personal magnetism, boost self confidence and self reliance, and at the end, learning how to control your own thoughts and mind, the key to any real progress as a human being.