Krygier, John Making maps : a visual guide to map design for GIS / John Krygier, Denis Wood - 2nd ed. - New York : Guilford Press, c2011 - xxi, 256 p. : ill. (some col.), maps (some col.) ; 26 cm. Includes bibliographical references and index ISBN: 9781609181666 (pbk. : alk. paper) Subjects--Topical Terms: CartographyGeographic information systems