A Business of Eagles — Harris Tobias

Book 3 in the Rhoda Deerwalker series. Rhoda returns to the reservation to sort things out, but the reservation has changed in her absence. A big casino run by mob connected figures threatens to keep her people divided and poor. Rhoda falls in with a renegade band who conspire to win the Silver Eagle jackpot and free her people. Along the way, Rhoda finds adventure, romance and her true self.