I chose this book to gain additional insight on dowsing. I had about 5 minutes to pick a couple more library books before they closed. I saw the word "dowsing" and hoped it dealt more with pendulum dowsing as opposed to tree branch dowsing. It was a short book (31 pgs.), so I read it happily while there was down time at work. 'Great for anyone wanting to learn how to dowse for water well sources. ( )