""Auto-Suggestion: What It Is And How To Use It For Health, Happiness And Success"" is a book written by Herbert Arthur Parkyn in 1909. The book explores the concept of auto-suggestion, which is the power of the mind to influence one's thoughts, feelings, and behaviors. Parkyn explains how auto-suggestion can be used to improve one's physical and mental health, increase happiness, and achieve success in life. He provides practical techniques and exercises...