It was good. A few familiar but pleasing twists. Makes me want to fact-check native American culture but once I remembered this was an elaboration, I could sit back and enjoy the ride.
Edit: okay, people in the comments were saying him being non-white is what made him the beast. I thought it was his rage and vengeance against the people who killed his loved ones. That was the first thing wee are introduced about him and through most of the book, he forgets. Until that one point. He was never cursed like the original beast but clouded by hatred and by being with the heroine, this finally allowed him peace and the ability to reach into the land beyond.