Payoff in Panama — Ramsay Thorne

Captain Gringo-pinned down by pistoleros in Panama!
But it's worth the risk because this time The Renegade is actually working for Uncle Sam. The payoff? Thousands of dollars and a full pardon from the President of the United States. Except to get that money and a trip back home, he's got to start by taking on a pack of hammerhead sharks, and then working his way up to fighting the crack Colombian Army! But that's nothing compared to the danger he's in from his own allies; a bloodthirsty revolutionary and the beautiful and nubile Inocencia -- whom Gringo discovers is anything but innocent...