The idea that people are capable of unlimited ESP and that mediumistic phenomena (i.e., communicating with the dead) is not actually being in communication with the surviving spirit of a deceased person, but rather that the medium is using super-ESP abilities.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...