A Method of Prayer is a book written by Thomas Cogswell Upham in 1859. The book is an analysis of the work of Madame de la Mothe Guyon, a French mystic and writer, who wrote a book with the same title in the late 17th century. Upham's book is a detailed examination of Guyon's method of prayer, which she called ""the prayer of simplicity."" Upham begins by providing a brief biography of Guyon, explaining her life and the religious context in which...