Best book or manual for learning V-Ray for Sketchup?

Is there a consensus out there on learning books or manuals for V-Ray?

I have the program as an extension with Sketchup Pro 2016 and it works great on my basic level. I just want to learn to use V-Ray to a fraction of its capacity.

Suggestions greatly appreciated!

Ed in Brooklyn

I don’t use V-RAY, but I know of this one. There should be quite a lot of resources regarding this though, have you checked the V-RAY site / forums?