The Upanisads are the central scriptures of Hinduism,composed at a time of great social, economic and religious change anddocumenting the transition from the archaic ritualism of the Veda into newreligious ideas and institutions. This book, in two comprehensive volumes, provides English translation of 112 important Upanishads many of which are being translated for the first time by a distinguished boardof scholars,along with a complete index of verses and an exhaustive introduction.