Adobe Photoshop CS4 : learn by vide core training in visual communication 
Adobe 
 - Berkeley, CA  Peachpit Press  c2009 
 - xxvi, 93 p. : ill. (some col.) ; 23 cm 
<br/><br/><label>ISBN: </label>9780321647382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adobe Photoshop<br/>Computer graphics
<br/><br/><label>Dewey Class. No.: </label>006.66P ADO