The Key to Theosophy Author:Helena Petrovna Blavatsky Subtitle: Being a Clear Exposition, in the Form of Question and Answer, of the Ethics, Science, and Philosophy for the Study of Which the Theosophical Society Has Been Founded General Books publication date: 2009 Original publication date: 1889 Original Publisher: The Theosophical Pub. Co., Ltd. Subjects: Theosophy Body, Mind