for the Germans were circling around, now over
the woods and again over the open country, dropping their bombs, which
exploded, doing terrible damage, killing and wounding many.

Suddenly Bob, who was gazing skyward in despair, clutched Jimmy's arm
and cried:

"Look! Look! There they are! There come our boys! American machines!
See the Indian head! Now we'll see Mr. Hun on the run! Oh, boy!"

Jimmy gazed for a moment in the direction indicated by his excited
churn. Then he exclaimed:

"You're right! The American aviators are here at last, and I'll wager
it wasn't their fault that they didn't get here sooner! Now for a
fight in the air!"

And up just beneath the clouds, sometimes out of sight in the mist,
the American flying men attacked the enemy. Now there was no time for
the Huns to loose their bombs. They must look to their own safety. No
longer did they have all the odds on their side.

"Look! Look! See our man engage those two!" shouted Roger.

They all saw what he meant. One intrepid American airman had headed
for two Fokkers which were flying directly toward him, close together.

But in another instant one of the German planes was seen to swerve
to one side, and then it darted downward, and in a manner to indicate
that its pilot had been killed or wounded, for the machine was out of
control. Like a dead leaf it descended, crashing into a shapeless mass
in a field some distance from the woods.

"Now he's after the other!" cried Bob. "Oh, they're going to collide!"

But he spoke without knowledge of the skill to be shown by the
American pilot and his accompanying gunner. For, just as it appeared
as though the two hostile craft would come together in a mid-air
crash, the American machine seemed to slide up and over its opponent.
And then, just as the first German had done, the enemy craft crumpled
up, and down it went in dizzying whirls.

"Two at once! That's going some!" yelled Jimmy, capering about. They
were comparatively out of danger now, sheltered as they were in
the woods from the artillery and rifle and machine-gun fire of the
Germans. And no more airship bombs were being dropped.

"Some stunt, that!" declared Bob. "Wonder who they were--those
Americans?"

"I hope they live through it so we can find out," voiced Franz. The
battle in the air was now going on fiercely. There were ten American
machines attacking more than double that number of Germans, and, as
was always the case, the Huns were