What has the author Frederick Louis Fagley written?

Frederick Louis Fagley was an American author who primarily wrote about religious and philosophical topics. His most well-known work is "The Mystery of the Ages," which is a 4-volume work that explores the history of religious thought and the nature of God.

Here are some of his other books:

* "The Divine Right of Kings" (1908)

* "The Symbolism of Numbers" (1911)

* "The Evolution of the Soul" (1915)

* "The New Era" (1920)

* "The Philosophy of the Unseen" (1922)

* "The Secret Doctrine of the Bible" (1926)

* "The Mystery of the Cross" (1929)

Fagley's writings were often controversial and challenged conventional religious views. He was a proponent of spiritualism and theosophy, and his work reflected his belief in the power of the human spirit and the potential for personal growth.

It's important to note that Fagley's works are not widely read today. However, they remain important for understanding the history of American religious thought and the development of spiritualist and theosophical ideas.