Perhaps the most practical book ever written on developing psychic powers. 

Taking the form of a six-week course, His exercises lead the reader on an exploration of magic as the art of adding meaning to our lives. Amazingly concise, Ramsey Dukes unleashes his formidable expertise to show us how to master pendulums, tarot, auras, nature spirits, and much else besides. In his hands, psychic powers are revealed to be the gateway to a profound enrichment of ordinary experience.