Cortina, Joe. Opening doors : understanding college reading / Joe Cortina and Janet Elder. - 3rd ed. - Boston : McGraw-Hill, c2002. - xxxi, 733 p. : ill. (some col.), maps ; 23 cm. Includes bibliographical references and index. ISBN: 0072314966 (student ed. : acid-free paper) 0072456280 (annotated instructor's ed : acid-free paper) LCCN: 2001086108 Subjects--Topical Terms: College readers.Reading (Higher education) LC Class. No.: PE1122 / .C637 2002 Dewey Class. No.: 808/.0427