Power and Use of Thought by C. W. Leadbeater - Theosophical Society. Chapter 02: The Law of Prosperity from The Game of Life & How to Play It by Florence Scovel-Shinn. 03_The Game of Life & How to Play It by Florence Scovel-Shinn. Thoughts are Things by Prentice Mulford. The Master Key System Part 1 - Charles Haanel. How you make the Master Key System work for you!