Photoshop CS6: Visual QuickStart Guide from Peachpit Press by Pearson Education has been a best selling guide for photography/design professionals and the textbook of choice in college classrooms for decades.
This CS6 edition covers all the new features (clearly marked with bright red). Among the new features covered in this extensively updated guide are: Field Blur, Iris Blur and Tilt-Shift filters; Properties panel; Exporting and Importing presets; Content-Aware Move tool and Content-Aware option for the Patch tool; Timeline panel for video editing; Photographic Toning libraries for Gradient Map adjustments; and Open Type options. Improved CS6 features covered: Crop tool options and features, Adjustment Brush tool in Camera Raw, and Vector masks.
2: Creating Files
3: Bridge
4: Camera Raw
5: Workspaces
6: Panels
7: Pixel Basics
8: Layer Essentials
9: Selections and Masks
10: History
11: Using Color
12: Adjustments
13: Combining Images
14: Brushes
15: Retouching
16: Refocusing
17: Fun with Layers
18: Filters
19: Type
20: Layer Styles
21 Vector Shapes and Masks
22: Actions
23: Presentation
24: Preferences
25: Print and Export