Philip (professional photographer with over 25 years of experience; official Adobe Ambassador for Australia) Andrews & Mark Galer 
Photoshop CC: Essential Skills [PDF ebook] 
A guide to creative image editing

New to Photoshop? Looking to unlock the impressive power of Photoshop CC? Want to master image editing techniques and achieve professional-level results?

Then Photoshop CC: Essential Skills is the resource you need. This book and companion website’s proven combination of real world image editing examples, step-by-step projects, and professional advice from two internationally recognized authors and Adobe Photoshop Ambassadors delivers an essential learning experience for beginner to intermediate Photoshop users.

This self-study guide to Photoshop CC covers the foundational skills for photographers and image editors to get started before moving onto more advanced image editing and photomontage techniques. A complete section of step-by-step imaging projects and 10+ hours of video tutorials on the companion website hone image editing skills to yield expert-quality results.