The Upanishads by Eknath Easwaran, part of the Easwaran's Classics of Indian Spirituality Series, is a revised edition published in 2007 by Nilgiri Press. This perfect-bound book, with a length of 8.1 inches, contains 384 pages in English. It delves into the topics of spirituality, Eastern philosophy, and Hinduism, making it a valuable resource for those interested in religious and philosophical teachings. Easinath Easwaran's authorship adds credibility and depth to this exploration of sacred writings, making it a must-read for those seeking wisdom and enlightenment.