Your Psychic Powers and How to Develop Them by Hereward Carrington (1880 - 1958)
Instructions in how to develop your psychic powers including telepathy, clairvoyance, self-projection, reincarnation, and other topics. Seriously. "It must be distinctly understood … that I believe the vast bulk of the material presented in this book to be sound and helpful; the practical instructions are good, and the reader cannot go far wrong in following them. May he develop his own psychic powers, and gain light and understanding thereby!" (From Author’s Preface) (Summary by Todd)