occupation, and at the same time keeping an anxious eye out for the coming of his chum, Jack, it might be just as well to explain a little further who these daring young American air pilots were, and also tell something concerning their previous exploits.
Tom Raymond and Jack Parmly had both been born in Virginia, and there, at a government school for aviation training, they had taken their first lessons in flying, after the world war broke out. They decided to follow that calling in case the United States should be eventually swept into the war.
Tom's father was an inventor whose secret papers concerning a wonderful airplane stabilizer had been stolen by an adroit German spy. Afterwards the two chums when in France had managed to recover these documents, as well as accomplish many other brilliant exploits, all this being told in the first volume of this series, entitled: "Air Service Boys Flying for France; or, The Young Heroes of the Lafayette Escadrille."
In the second volume Tom and Jack proved their right to be called first-class air pilots by battling with success against Hun fliers. They saw considerable of the tragic happenings that convulsed that portion of France, while they were connected with the famous French flying corps.
Here, too, these young Air Service boys again