""The Upanishads Or Hidden Wisdom 1000-500 B.C."" is a book by Charles F. Horne that delves into the spiritual teachings of the Upanishads, a collection of ancient Sanskrit texts that form the basis of Hindu philosophy. The book provides a comprehensive introduction to the Upanishads and their historical context, as well as a detailed analysis of their central themes and teachings. Horne explores topics such as the nature of the self, the relationship...