Chapter VII

of this book. Inasmuch, however, as rational men and women do not care to enter upon systematic proceedings of any kind without having some reasonable assurance that a commensurate result will follow, it has been thought desirable to add, in Chapters I to IV, a general outline of the scientific facts and arguments on which the certainties of “survival” and “communication” are based. In Chapters V and VI some necessary information as to mediums and communicating is given. And, in

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