Mental Radio by Upton Sinclair and Addendum by Dr. Prince

Mental Radio

Mental Radio by Upton Sinclair (1930), which regards his and his wife’s startlingly successful experiments with telepathy.  Also the addendum written by Dr. Walter Franklin Prince, first published by the Boston Society for Psychic Research (1932).

This book is in the public domain.  Click the link below to download the PDF.

Mental Radio, Upton Sinclair and Addendum by Dr. W. F. Prince

 

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