First published in 1911, "The Sixth Sense: Its Cultivation and Use" is a masterpiece on the Sixth Sense, or the Mystic sense. The book discusses this perceptive faculty in relation to health, thought, character, and religion.
The author, Charles Henry Brent, was the Episcopal Church's first Missionary Bishop of the Philippine Islands; Chaplain General of the American Expeditionary Forces in World War I and Bishop of the Episcopal Church's Diocese of Western New York. He has been characterised as a "gallant, daring, and consecrated soldier and servant of Christ" who was "one of modern Christendom's foremost leaders, prophets, and seers."