The Art Of The Pendulum: Simple techniques to help you make decisions, find lost objects, and channel healing energies
Cassandra Eason is a well-known author and broadcaster on psychic and spiritual experience, folklore, and divination techniques.  She teaches psychic development and is the author of several books including 10 Steps to Psychic Power, A Complete Guide to Divination, and A Complete Guide to Faeries and Magical Beings.