The Complete Adobe Photoshop CS6 Tutorial from Adobe

Content :

What's New
Photoshop Getting Started Tutorials
Workspace And Workflow
Image and color basics
Layers
Selecting
Image Adjustments
Camera Raw
Repair and restoration
Reshaping and transforming
Drawing and painting
Text
Video and animation
Filters and effects
Saving and exporting
Printing
Automation
Web Graphics
3D and technical imaging
Color Management