Lynch, Richard The Adobe Photoshop CS4 layers book : harnessing Photoshop's most powerful tool / Richard Lynch. - Amsterdam ; Boston : Focal Press, c2009. - xxv, 293 p. : col. ill. ; 25 cm + 1 CD-Rom (4 3/4 in.). Includes bibliographical references and index. ISBN: 9780240521558 (pbk.) 9780080959061 (CD-ROM) Subjects--Uniform Titles: Adobe Photoshop. Subjects--Topical Terms: Photography--Digital techniques.Image processing--Digital techniques. Dewey Class. No.: 006.686 / LYN 2009