Our books may purchased directly from Sonoran Publishing by contacting us by telephone or email. They may also be ordered from the following dealers via mail order or internet. Amazon.com Books Antique Electronic SupplyTempe, Arizona - Ask for their complete catalog of parts and supplies for restoring old radios and vacuum tube equipment. Antique Radio ClassifiedCarlisle, Mass. - Publishes excellent monthly magazine for radio collectors. Brian Smith's Wireless Workshop12 Mansfield Street, Rockhampton 4700, Queensland, Australia The Crystal Set SocietySt. Louis, Missouri - Publishes newsletter for members. Sells books and parts for crystal radio set builders. Universal RadioReynoldsburg, Ohio