"That isn't he—at least he isn't the one who attacked you," declared Andy. "That man had a beard, and this one is smooth shaven."
"Yes, but look at his limp," said Billy in quiet tones. "He walks exactly like Shackmiller. He's followed me after all, and I've got to carry that paper with me. What shall I do?"
The Racer boys did not know how to answer him, and, indeed at that moment there was no chance, for, a second later, there came a terrific explosion, and the body of the man who limped was hurled toward them through the air.
A SECOND LATER THERE CAME A TERRIFIC EXPLOSION.
CHAPTER XIII
THE RELIEF TRAIN
"Look out!" yelled Frank.