Well, Sanctuary has been around now for a couple of months. If you're one of the 'good' people, that is one who's bought a copy, and you've finished it, how about leaving a review on Amazon?
It doesn't have to be a good review, although those are better, just honest.
If you haven't finished it yet, please leave one when you do.
If you're one of the 'other' people, how about buying a copy and reviewing it?