Thomas, M.E Wild discovery guide to your dog understanding and caring for the wolf within foreword by Elizabeth Marshall Thomas. - 1st ed. - New York. Discovery Books. 1999. - 216 p.:ill; Hbk ISBN: 15633318059 Subjects--Topical Terms: DogsDogs--Behavior. LC Class. No.: SF426.W5 1999 / .W56 1999 Dewey Class. No.: 636.7