classroom in a book® The official training workbook from Adobe Systems
http://ptgmedia.pearsoncmg.com/images/9780321827333/samplepages/0321827333.pdf
Using ADOBE® PHOTOSHOP® CS5
http://help.adobe.com/en_US/photoshop/cs/using/photoshop_cs5_help.pdf
classroom in a book® The official training workbook from Adobe Systems
http://ptgmedia.pearsoncmg.com/images/9780321827333/samplepages/0321827333.pdf
Using ADOBE® PHOTOSHOP® CS5
http://help.adobe.com/en_US/photoshop/cs/using/photoshop_cs5_help.pdf