repleo wrote:
Chelsea and Tony Northrup's book ' Photoshop CC Essentials for Photographers' may be what you need. Like you, Northrup does most of his edits and crops in LR and then switches to Photoshop for anything else. It does not go into ACR at all, but covers all of the main PS photography tools like layers, masking, selections etc. The book provides access to 10 hours of accompanying online videos, mentoring forum and downloadable ebook.
I have Northrup's book and I am very happy with it and his approach to photo editing. Kelby and Northrup have different philosophies. I like them both, but Northrup's ideas are a refreshing way to look at things.