Originally published in London 1925. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. Home Farm Books are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork The chief aim of this comprehensive work is to prove to some who still hesitate to accept them, the reality of telepathy and clairvoyance by a series of new researches and experiments. Contents Include: Nomenclature. Prejudices and Difficulties. Experiments with Telepathy and the Results. Clairvoyance: Experiments and Results. The Theory of Telepathy and Clairvoyance. Criticism of the Physical Theory. Theoretical Views of Other Authors. A Psychical Theory. Conclusions.