最快，最简单，学习Adobe CS4最全面的PS图象处理软件…

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The fastest, easiest, most comprehensive way to learn Adobe Photoshop CS4 Fourteen lessons in Adobe Photoshop CS4 Classroom in a Book cover basic and advanced techniques in Adobe Photoshop, the world’s best image-editing software. Learn how to retouch digital photos, work with layers and masks, navigate the workspace, prepare images print, and explore the latest features. Tips, extra-credit exercises, and step-by-step lessons help you become more productive using Photoshop. Learn to correct and enhance digital photos, create image composites, transform images in perspective, and prepare images for print and the web. Combine images for extended depth of field, and try out the new 3D features in Adobe Photoshop CS4 Extended.