This one should be available now in most stores, including Barnes and Noble, and next week from Amazon.
In the latest Cuno Massey yarn, Cuno and Deputy U.S. Marshal Spurr Morgan team up with a beautiful Yaqui princess--beautiful an' mean an' nasty, that is!--chasing gunrunners, who sacked a U.S. Army fort, deep in Mexico. They end up fighting not only the gunrunners but also the Federales the gunrunners are running the guns to, and who've piss-burned the Yaqui good by trying to tunnel through the Indians' sacred mountain so they can lay railroad tracks to a gold mine.
Watch for the start of Spurr's own series, THE LAST LAWMAN, coming in October...
Here's a short excerpt from .45-CALIBER CROSS FIRE: