Pendulum Magic for Beginners by Richard Webster (2002, Paperback, Illustrated)

You've got to love this author's approach to teaching - if you don't believe him, he'll give you ideas and exercises to either prove him right or wrong. Most likely right. This great book gives all sorts of approaches to using the pendulum that most folks wouldn't think of, like finding lost objects, checking and clearing your chakras and loads of other ideas. This is a must read for anyone using a pendulum!