03 - Teach Yourself VISUALLY Photoshop CS4 by Mike Wooldridge & Mike Wooldridge
04 - How to Do Everything Adobe Photoshop CS4 by Chad Perkins05 - Photoshop CS4 Bible by Stacy Cates, Simon Abrams & Dan Moughamian
06 - Photoshop CS4 All-in-One For Dummies by Barbara Obermeier
07 - Photoshop CS4 Digital Classroom by Jennifer Smith
08 - Creative Photoshop CS4: Digital Illustration and Art Techniques by Derek Lea
09 - Photoshop CS4: Top 100 Simplified Tips & [You must be registered and logged in to see this link.] by Lynette [You must be registered and logged in to see this link.]
10 - Adobe Photoshop CS4 Studio Techniques by Ben Willmore & Dan Ablan
11 - Photoshop CS4 Down & Dirty Tricks by Scott Kelby
12 - Photoshop CS4 Workflow: The Digital Photographer's Guide by Tim Grey
13 - Photoshop CS4 After the Shoot by Mark Fitzgerald
14 - Understanding Adobe Photoshop CS4 by Richard Harrington
15 - Black and White in Photoshop CS4 and Lightroom
16 - Photoshop CS4 QuickSteps
17 - Photoshop CS4: Essential Skills
18 - The Adobe Photoshop CS4 Layers Book by Richard Lynch