""The Systematisation and Application of Psychic Truth"" is a book written by Anna Bonus Kingsford, a prominent figure in the spiritualist movement of the late 19th century. The book delves into the nature of psychic truth and its application in daily life. Kingsford argues that psychic truth is not limited to the realm of the supernatural, but is a fundamental aspect of human consciousness and the universe at large. She explores various spiritual...