Johannsen, Kristin Hemispheres 1: Workbook - New York Cambridge University Press 2008 - v, 74 p. 28 cm. 005333 F 601 ISBN: 9780071264396 Subjects--Topical Terms: English language - Study and teachingEnglish - Problems, exercises, etcEnglish - Study and teaching Dewey Class. No.: 428.0071 / H488