Title: The Book of the mediums
Author: Allan Kardec
Publisher: Kier
Language: Spanish
This work is aimed at all those who are willing to observe the spirit phenomena. If the reader look into it and infallible recipe to form universal mediums, be disappointed, because this requires that there is power to be. But for those dealing with spiritual manifestations, this book of Master Allan Kardec be a true guide their observations, they indicate the pitfalls that can and must find the start in how to interact with the spirits and tell them the best means to transform these relations.
This book is only available in spanish language.