The Prisoner of Gun Hill — Owen G. Irons

When Luke Walsh falls for the beautiful Dee Dee Bright, he makes the biggest mistake of his young life. After she tricks him into killing the marshal of Tucson, Arizona, there is nothing for it but to take to the desert. But when his horse founders, he finds himself afoot and alone on the plain. Picked up by a passing wagon, he is set to work as slave labour in the Gun Hill gold mine - the remote outpost harbouring a nest of dangerous outlaws...