10 books
The Art and Science of Personal Magnetism
Practing Mental Influence
Thought Vibration
El Secreto del Exito
Thought Force In Business and Everyday Life
Thought Vibration by William W. Atkinson AND The Master Key System by Charles F. Haanel
Mystic Christianity
Memory
Practical Mental Influence
Thought Vibration or the Law of Attraction in the Thought World