""A Fourfold Test of Mormonism"" is a book written by Henry C. Sheldon that examines the beliefs and practices of the Mormon religion through four different lenses. The four tests that Sheldon proposes are: the historical test, the philosophical test, the psychological test, and the scriptural test. Through each of these tests, Sheldon evaluates the claims made by the Mormon Church and its members, including the authenticity of the Book of Mormon,...