Baerwald, Thomas J. Prentice Hall world geography / Thomas J. Baerwald, Celeste Fraser. - Upper Saddle River, N.J. : Prentice Hall, c1993. - xix, 812 p. : col. ill., col. maps. Audience: Grades 9-12. ISBN: 0139692541 Subjects--Topical Terms: Geography--Study and teaching (Secondary)