Excellent Learning Richard Harrington, in Understanding Adobe Photoshop CS4,  provides an excellent learning platform for beginner and intermediate Photoshop users.  He provides comprehensive, yet engaging explanations.

Powerful Tool Layers are one of Photoshop’s most powerful tools.  Have you played with layers, but not yet mastered a consistent workflow that extracts the most from this powerful tool?  This book provides the tools, tips and techniques to master layers.

Digital Noise Tamed Digital noise is inherent in digital images, much like grain is inherent in film images.  Sometimes, digital noise can enhance the mood of the image, and helps set the stage for the story behind the image.  More often, however, noise distracts the viewer from the subject and the story.  If the noise [...]