""Astral Mysticism: Its Ethics and Cult"" is a book written by Franz Cumont, a Belgian historian and philologist, which explores the ancient practice of astral mysticism. The book delves into the ethics and cult of this mystical tradition, which involves the worship of celestial bodies and the belief in their influence on human destiny. Cumont examines the origins and development of astral mysticism in various cultures, including Babylonian, Persian,...