Go to the green emblem on this curezone page and click it, this takes you to obeynature.com. At the bottom of this website click the sponsor button and go to www.mhdewormer.com, there ask the owner to send you the free 108 page booklet, in this booklet you will read about the schooling and can get the book from thta website or purchase direct from us by phone call. The number is in the free boolet.