Jensen, Derrick. Thought to exist in the wild : awakening from the nightmare of zoos / Awakening from the nightmare of zoos Derrick Jensen, Karen Tweedy-Holmes. - 1st ed. - Santa Cruz, CA : No Voice Unheard, 2007. - 143 p. : ill. ; 23 x 26 cm. Includes bibliographical references: p. 140-141. ISBN: 9780972838726 (hardcover) 9780972838719 (softcover) LCCN: 2007921397 Subjects--Topical Terms: Zoos--Moral and ethical aspects. LC Class. No.: QL76 / .J468 2007