The Devil's Waltz — Ethan J. Wolfe

Likeable but deadly outlaw Jack Posey is serving a long stretch of hard labor at Yuma Prison in Arizona when his fortunes turn for the better when his older brother Dale pays him a visit. Dale is a United States Marshal and his visit isn t sociable. Dale is there to offer Jack a deal approved by the governor. Jack s old gang now led by Jack s former number two man Tom Spooner has become the most wanted outlaws in the west. Dale is authorized by the governor to offer Jack a full pardon in exchange for helping to bring Spooner and the gang to justice.