Adobe Photoshop CS4. 

 - Berkeley, Calif. :  AdobePress,  c2009. 
 - x, 451 p. :  col. ill. ;  24 cm. +  1 CD-ROM (4 4/3 in.) 
 - Classroom in a book .
<br/><br/> Includes index.  "The official training workbook from Adobe Systems"--T.p. 
<br/><br/><label>ISBN: </label>9780321573797 (pbk.) 032157379X (pbk.) 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Adobe Photoshop.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Image processing--Digital techniques.<br/>Computer graphics--Computer programs.
<br/><br/><label>LC Class. No.: </label>TR267.5.A3  / A37 2009