Light on Kriya Yoga Author:Swami Premananda, Donald Castellano-Hoyt Swami Premananda translates three marvelous Upanishads admonishing the devotee on why and how to attain perfect union with the Lord. Swamiji shows deep attunement with his guru Paramhansa Yogananda in his manner of expression and insight. This translation could be called a new "Song of the Lord"!