The mine of truth must be excavated like any other treasure. The English language monthly of the Ramakrishna Math, Vedanta Kesari, has here published a collection of essays on the Upanishads by a variety of authors. Included are writings by Swamis Vivekananda, Ashokananda, Ranganathananda, Sridharananda, Tathagatananda and many others. The essays range from historical, to philosophical and scientific. Also included are fifteen pages of quotes from various Upanishads, printed over colored photographs.