Of The Manichaeans is a historical and philosophical book written by Alexander, a Christian author who lived in the 3rd century AD. The book is a detailed account of the Manichaean religion, which was founded by the prophet Mani in the 3rd century AD.Alexander's book provides a comprehensive overview of the Manichaean belief system, which was a syncretic blend of Gnostic, Zoroastrian, Christian, and Buddhist ideas. The Manichaeans believed in the...