OUR YOUNG AEROPLANE SCOUTS IN ITALY; or,
Flying with the War Eagles of the Alps.
OUR YOUNG AEROPLANE SCOUTS IN FRANCE AND BELGIUM; or,
Saving the Fortunes of the Trouvilles.
OUR YOUNG AEROPLANE SCOUTS IN GERMANY; or,
Winning the Iron Cross.
OUR YOUNG AEROPLANE SCOUTS IN RUSSIA; or,
Lost on the Frozen Steppes.
OUR YOUNG AEROPLANE SCOUTS IN TURKEY; or,
Bringing the Light to Yusef.