"This book accompanies the videos from Adobe Photoshop Lightroom CC (2015 release) / Lightroom 6 Learn by Video [http://my.safaribooksonline.com/9780133928556]. It contains some of the key concepts from the video training and acts as a reference guide to the lessons in the videos. Please refer to the link to view the videos."--Reseouce description page
Online resource; title from title page (viewed December 14, 2015)