Theosophy Books (Quick View) The Ancient Wisdom The Ocean of Theosophy The Voice of the Silence The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy (2-volume set) Through the Gates of Gold (A Timeless Classic): By Mabel Collins Man, Visible and Invisible (Theosophical Heritage Classics) The Key To Theosophy Isis Unveiled: Both Volumes - A Master-Key to the Mysteries of Ancient and Modern Science and Theology (Illustrated) An Outline of Theosophy The Mahatma Letters To A. P. Sinnett From The Mahatmas M. & K. H. Light on the Path, Through the Gates of Gold & The Illumined Way