The bestselling, comprehensive reference on Photoshop, fully updated to CS5. Photoshop is the gold standard for image-editing programs and is used by professional photographers, graphic designers, and Web designers as well as hobbyists. More than 300,000 copies of this comprehensive reference have been sold in previous editions; this edition is fully updated to cover Photoshop CS5's newest features and includes a 16-page full-color insert.Photoshop is the industry standard for image-editing software used in both print and digital media, with more than four million users worldw