Yes, I can tell you about John Jeavons book. His address is: 5798 Ridf\gewood Road, Willits, Calif 95490, phone 707-459-0150, fax 707-459-5409 It has been reprinted many times, in numerous languages, and he is selling now the latest edition. I think it is the 5th ed, $20 ppd B. Rateaver