""How Theosophy Opens The Book Of Life"" is a book written by Katherine Tingley that explores the teachings of Theosophy and how they can help individuals understand the purpose and meaning of their lives. Theosophy is a philosophical and spiritual movement that seeks to uncover the mysteries of existence through the study of ancient wisdom and the laws of nature. In this book, Tingley explains the basic principles of Theosophy and how they can be...