When trouble breaks out between the United States and Mexico, the boys are eager to join the American troops under General Funston. Their attempts to reach Vera Cruz are fraught with danger, but after many difficulties, they manage to reach the trouble zone, where their real adventures begin.
he Zapatistas. These were so stationed at the windows that they could give the would-be robbers a warm reception.
"We must use some strategy," declared Adrian, "or we will simply succeed in killing a few and scaring away the others. That will not be a very brilliant deed."
"No," from Donald, "but it will save the bullion. What's your plan?"
"Well, I was thinking it would be a good plan to separate the train."
"You can see it is all down grade from here to where the bandits are waiting for us."
"As soon as we get to running a good speed, Billie and I will go into the express car with the three guards. You and Pedro stay here with the other guards and the passengers. As we near the bandits, uncouple the train, put on the brakes and stop the coaches. We will rush by with the engine and express car, firing as we go----"
"Which will be all right," interrupted Billie, "if they don't ditch the engine."
Adrian's face fell.
"I hadn't t