Langhorne, Mary Jo. Developing 21st Century Literacies/ by Mary Jo Langhorne, Denise Rehmke and the lowa City Community School District - New York Neal-Schuman Publishers, Inc. c2011 - xiv, 226p. ill; includes index ISBN: 9781555707521 Subjects--Topical Terms: Library and Information Sciences Dewey Class. No.: 025.567809777