The Gnostic Religion by Hans Jonas
"The Gnostic Religion" explores the rich tapestry of Gnosticism, a prominent religious movement in early Christian history that proposed a unique set of beliefs centered around the concept of gnosis, or mystical knowledge. The book delves into the origins, main features, and philosophical underpinnings of Gnosticism, examining its interpretation of the universe as a division between a flawed material world and a transcendent spiritual realm. It also discusses the influence of Gnosticism on various religious and philosophical traditions, providing a comprehensive overview of its enduring legacy and its significance in the broader context of religious history.