Originally published in 1918, this book takes an extensive look into how to achieve greater self-knowledge. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. Hesperides Press are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork. Contents include: Introductory remarks, First meditation- In which the attempt is made to obtain a true idea of the physical body, Second meditation- In which the attempt is made to form a true conception of the elemental or etheric body, Third meditation- In which the attempt is made to form an idea of clairvoyant cognition of the elemental world, Fourth meditation- In which the attempt is made to form a conception of the guardian of the threshold, Fifth meditation- In which the attempt is made to form an idea of the astral body, Sixth meditation - In which the attempt is made to form a conception of the ego body or thought body, Seventh meditation- In which the attempt is made to form an idea of the character of experience in supersensible worlds, Eighth meditation- In which the attempt is made to form an idea of the way in which man beholds his repeated earth lives. The threshold of the spiritual world, Concerning the reliance which may be placed on thinking; the nature of the thinking soul and of meditation, Concerning knowledge of the spiritual world, Concerning man's etheric body and the elemental world, Summary of the foregoing, Concerning reincarnation and Karma man's astral body and the spiritual world and ahrimanic beings, Concerning the astral body and luciferic beings and the nature of the ethericbody, Concerning the guardian of the threshold and some peculiarities of clairvoyant consciousness, Concerning the ego feeling and the human soul's capacity for love and the relation of these to the elemental world, Concerning the boundary between the physical world and supersensible worlds, Concerning beings of the spirit worlds, Concerning spiritual cosmic beings, The first beginnings of man's physical body, Concerning man's real ego, Summary of part of the foregoing, Remarks on the connection of what is described in this book with the accounts given in my books Theosophy and Occult Science