The Power of Positive Thinking shows, organized the American Foundation of Religion and Psychiatry, and co-founded the spiritual newsletter "Guideposts" with his wife, Ruth Stafford Peale. "The Power of Positive Thinking" was published in October 1952 and continues to be Peale's most widely read work. It lived on the New York Time's best-sellers list for 186 weeks, 48 of which were spent in the No. 1 nonfiction spot. The book sold more than 5 million copies worldwide — 2.5 million from 1952 to 1956 — and was eventually translated into over 40 languages. Other books published by Peale around 1952 include "The Art of Real
The Power of Positive Thinking backing of religion to support his techniques. Krumm continues with a warning: "the predominant use of impersonal symbols for God is a serious and dangerous invitation to regard man as the center of reality and the Divine Reality as an impersonal power, the use and purpose of which is determined by the man who takes hold of it and employs it as he thinks best.” Edmund Fuller, book review editor of the "Episcopal Churchnews," warned against following Peale's teachings in an article titled “Pitchmen in the Pulpit” from March 1957. Fuller cautions readers not to believe Peale just because he