Entertaining read. Great use of multiple voices to tell an ever-revealing story. Unreliable narrators abound. Gets a bit slow in places, but is carried through by interesting and unique characterizations. Not at all a "typical" western, but worth reading if for no other reason (and there are other reasons) than to see a "literary" treatment of genre conventions in a way that honors the genre rather than rendering them (the conventions, not the genre) unreadably boring.
It would take real effort and skill to make this story horrendously boring. Unluckily for us, Mr. Edgerton has that skill