Decker, Robert W Volcanoes Robert Decker and Barbara Decker - 4th ed - New York W.H. Freeman 2006 - xvi, 326 p. : ill. (some col.), maps ; 24 cm Includes bibliographical references and index ISBN: 9780716789291 ISSN: 2005929602 Subjects--Topical Terms: Volcanoes Dewey Class. No.: 551.21 DEC