Mental Chemistry, The New Psychology, and You

Charles F(rancis) Haanel ( 1866 – 1949 ) was a noted American New Thought author and a businessman. He is best known for his contributions to the New Thought Movement through his book The Master Key System. In addition to the Master Key System
, Haanel wrote several other books including Mental Chemistry, published in 1922, The New Psychology, published in 1924, A Book about You, published in 1927