EASY MONEY COMES HARD—WHEN THE PRICE IS BLOOD!

Zacatecas was the stumbling block that barred Pancho Villa's advance on Mexico City. The Federale garrison was fighting his bandit army to a standstill. But word came of howitzers stored in Tampico, and Villa called on the four men he trusted most to bring him guns—The Gringos.
What they didn't know was that the whole deal was a trap—an elaborate plan to destroy them. And when the jaws swung shut, they were left to escape the way they knew best... by fighting clear!

THE GRINGOS... FOUR MEN WHO KNEW HOW TO KILL. AND HOW TO DIE!