Johannsen, Kristin Hemispheres 4: Workbook - New York Macmillan 2008 - v, 74 p. 28 cm 005339 F 607 ISBN: 9780071264426 Subjects--Topical Terms: English language - Study and teachingEnglish language - Problems, exercises, etcEnglish - Study and teaching Dewey Class. No.: 428.0071 / H488