The Upanishads is a book written by Grace H. Turnbull that provides a comprehensive introduction to the philosophical and spiritual teachings of the ancient Indian texts known as the Upanishads. The Upanishads are a collection of over 200 texts that were written between 800 BCE and 500 BCE and form the basis of Hindu philosophy and spirituality. The book offers a detailed analysis of the Upanishads, exploring their central themes and concepts, including...