Bill Pronzini and Jeffrey Wallmann: Border Fever (2013)
From the Publisher:
As a member of the Territorial Rangers, he must prove himself time and again. Now, relying on his skill with a gun and his quick wits, M'Candliss must rescue two kidnapped diplomats from a gang of murderous Mexican bandits planning to undermine the Mexican government.
Bill Pronzini and Jeffrey Wallmann: Border Fever. Crossroad Press, ISBN: 9781301704637 (April, 2013), eBook, 525 KB (ca. 194 p.), $3.99.