The Book of Zarathushtra (Zoroaster) by Grace H. Turnbull is a comprehensive guide to the teachings and philosophy of the ancient Persian prophet Zarathushtra, also known as Zoroaster. The book provides an in-depth exploration of the core concepts of Zarathushtra's teachings, including the concept of Ahura Mazda, the role of good and evil in the world, and the importance of ethical behavior.The author draws on a wide range of sources, including the...