1920 SUPREME FORCES OF MIND FUN IN THINKING BOOK  DR DELMER EUGENE CROFT occult Soft Cover.

"Supreme Forces of Mind: Fun in Thinking" is a 64-page early self-help book written by Dr. Delmer Eugene Croft and published in 1920 out of New Haven, Connecticut. Dr. Croft, often described as the "Mark Twain of early 20th-century motivational literature," used a unique blend of humor, witty anecdotes, and positive psychology to deliver practical self-improvement advice