Erickson, John R Hank the Cowdog: The Case of the Secret Weapon - Book 55 - Perryton, TX Maverick Books, 2010. - 2 sound discs. - Hank the Cowdog . ISBN: 9781591886556 : $19.99 1591886554 : $19.99 Subjects--Topical Terms: Ranch dogs Index Terms--Genre/Form: JUnior Fiction Audio