The classic and original text that first explored the telepathic methods of communication of wild animals - Based on years of detailed field observations, first published in 1919 - Written by the famous American naturalist who was the first to study telepathy in the wild - Forewords by biologists Rupert Sheldrake, who has spent 15 years researching the unexplained powers of animals, and Marc Bekoff, the editor of the three-volume...