Waring, Rob Zoo dentists / Rob Waring, series editor - Londres : Heinle Cengage Learning, 2009 - 32 p. : il. ; 21 cm. - Footprint reading library., Intermediate B1 . ISBN: 9781424010950 Subjects--Topical Terms: Literatura inglesa--Libros de lectura LC Class. No.: PR6073 / W37 2009