After they had recovered from their strenuous journey the two young aviators were more than ever anxious for continued service. The taste of peril had sharpened their appetites, it seemed, and made them eager to meet with further exciting experiences in their chosen work.

All the members of the famous escadrille were very fond of the boys, and each seemed to deem it a privilege to coach them in the thousand and one problems that daily confront a war aviator.

Jack sometimes was seen to muse, as though his thoughts had taken a backward flight. Tom imagined he might be thinking of those at home, and once even exhibited more or less sympathy for his chum, when, to his surprise, and also amusement, Jack unblushingly admitted that the one he was thinking of chanced to be pretty little Bessie Gleason.

“It’s a queer thing, Tom,” he remarked, when the other chuckled, “but somehow I find myself wondering whether I’ll ever run across that girl and her stern guardian again. Since you played in such great luck and pounced on Adolph Tuessig in such a remarkable way, perhaps, who knows, I may find myself face to face with Bessie one of these days. Anyhow, I hope so.”

“You never can tell,” was all Tom would say in reply; and yet, if you read the second volume of this series, entitled “The Air Service Boys Over the Enemy’s Lines; or, The German Spy’s Secret,” you will find that not only did Jack have his wish realized, but that a fresh and most astonishing array of thrilling happenings overtook the two chums while they were still “flying for France.”

THE END.

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AIR SERVICE BOYS FLYING FOR FRANCE By Chas. A. Beach
or The Young Heroes of the Lafayette Escadrille.
AIR SERVICE BOYS OVER THE ENEMY’S LINES By Chas. A. Beach
or The German Spy’s Secret.
AIR SERVICE BOYS OVER THE RHINE By Chas. A. Beach
or Fighting Above the Clouds.
ANDY AT YALE By Roy Eliot Stokes
or The Great Quadrangle Mystery.
ARMY BOYS IN FRANCE By Homer Randall
or From Training Camp to Trenches.
ARMY BOYS IN THE FRENCH TRENCHES By Homer Randall
or Hand to Hand Fights with the Enemy.
ARMY BOYS ON THE FIRING LINE By Homer Randall
or Holding Back the German Drive.
BERT WILSON AT THE WHEEL By J. W. Duffield
BERT WILSON’S FADEAWAY BALL By J. W. Duffield
BERT WILSON WIRELESS OPERATOR By J. W. Duffield
BERT WILSON MARATHON WINNER By J. W. Duffield
BERT WILSON AT PANAMA By J. W. Duffield
BERT WILSON’S TWIN CYLINDER RACER By J. W. Duffield
BERT WILSON ON THE GRIDIRON By J. W. Duffield
BERT WILSON IN THE ROCKIES By J. W. Duffield
BOB SPENCER, THE LIFE SAVER By Captain Taylor Armitage
or Guarding the Coast for Uncle Sam.
DAVE FEARLESS AFTER A SUNKEN TREASURE By R. Rockwood
or The Rival Ocean Divers.
DAVE FEARLESS ON A FLOATING ISLAND By R. Rockwood
or The Cruise of the Treasure Ship.
DAVE FEARLESS AND THE CAVE OF MYSTERY By R. Rockwood
or Adrift on the Pacific.
HIRAM, THE YOUNG FARMER By Burbank L. Todd
or Making the Soil Pay.
JOE STRONG, THE BOY WIZARD By Vance Barnum
or Mysteries of Magic Exposed.
JOE STRONG ON THE TRAPEZE By Vance Barnum
or The Daring Feats of a Young Circus Performer.
JOE STRONG, THE BOY-FISH By Vance Barnum
or The Marvelous Doings of a Boy-Fish.
JOE STRONG ON THE HIGH WIRE By Vance Barnum
or A Motorcycle of the Air.
JOE STRONG AND HIS WINGS OF STEEL By Vance Barnum
or A Young Acrobat in the Clouds.
NAVY BOYS AFTER A SUBMARINE By Halsey Davidson
or Protecting the Giant Convoy.
NAVY BOYS CHASING A SEA RAIDER By Halsey Davidson
or Landing a Million Dollar Prize.
NAVY BOYS BEHIND THE BIG GUNS By Halsey Davidson
or Sinking the German U-Boats.

GEORGE SULLY & COMPANY
373 FOURTH AVENUE NEW YORK