Excellent series IMO, posted about it a few pages back. It's begging to be made into a series. Also, it's now 5 books in, with the final 2 coming next year I believe.Red rising by Peirce Brown, book one of a trilogy I believe. Very well written sci-fi where people are divided by color which dictates their status. I can definitely see influences from other stories but not enough to ruin the story and characters.