A revised version was completed by Holmes and Maude Allison Lathem and published 12 years later in 1938.

Holmes' writing details how people can actively engage their minds in creating change throughout their lives.

The book includes explanations of how to pray and meditate, find self-confidence, and express love.

His influences included Thomas Troward, Ralph Waldo Emerson, Christian Larson, Evelyn Underhill, and Emma Curtis Hopkins.

[2] In 1927, Holmes began publishing Science of Mind magazine which is still in publication.