Blavatsky wrote The Key to Theosophy as a catechism for the puzzled enquirer: what Theosophy is and is not, its teaching on God, the soul and its bodies, reincarnation and karma, the after-death states, and what the Theosophical Society was actually founded to do.
The clearest thing Blavatsky ever wrote, and the best way in. Download the free EPUB.