The Three Rosicrucian Higher Planes of Consciousness is a book written by an author who goes by the name Incognito Magus. The book is a guide to understanding the Rosicrucian philosophy of consciousness and how it relates to the three higher planes of existence. The first part of the book introduces the concept of the three higher planes of consciousness, which are the mental plane, the astral plane, and the causal plane. The author explains how these...