South to Sonora — Michael Stewart

After a ten-year prison term for killing a man he'd found molesting a girl, all Tom Jericho wants is a quiet life. But, the day before his release, the warden offers him a deal: if Tom infiltrates the notorious Crane gang and uncovers details of their plans, he'll be set up with enough money to buy a patch of land to farm. All he has to do is get himself arrested for murder - then spring his old friend Lee Crane from the prison train...