Riding to Sundown — Troy D. Smith

Retired lawman, Luke Temple, has seen it all, and become a living legend along the way. Now, he must come out of retirement to face his greatest challenge. With his oldest friends by his side, he trails the vicious Thaw gang to an outlaw stronghold where he almost died forty years before. Will the mountainous fortress called Sundown be Luke Temple's redemption, or his final defeat?