Discover the secrets of self-help with the complete set of "Mastery of Self" by Frank Channing Haddock. This 30-volume set, published in 1923 by Pelton Publishing Company in the USA, is a must-have for anyone looking to achieve wealth, power, and success.

With its hardcover binding and original printing in English, this set is a rare find for collectors and enthusiasts alike. The book covers topics such as wealth, power, success, and personal growth, making it a valuable addition to any collection. Get your hands on this amazing piece of literature today!