"What's the big idea?" asked Roger, as he rubbed his elbow that had come in sharp contact with a stone when Jimmy dragged him down.
"Didn't you hear the shot?" demanded Jimmy.
"Yes. But the bullet you hear will never hurt you. It's the one you don't notice coming that does the trick."
"That's all right," asserted Jimmy calmly. "But there may be more coming. Lie low now, I'm going to try a little camouflage work."
Keeping prone on his face, and seeing that Roger did the same, Jimmy cautiously raised his "tin hat" above the earth, using a short stick he picked up as a support.
Almost instantly there came a "ping!" and a little hole appeared in the helmet.
"Firing at close range," observed Jimmy.
"I should say so!" exclaimed Roger. "And those aren't stray bullets, either. It was directed straight here."
"Right!" assented Jimmy. "But the thing of it is to decide whether it's our boys firing or some Germans who may have swept in from the left flank."
"How could it be our boys?" asked Roger. "Don't they know we're here?"