THE BIRD BOYS SERIES
By John Luther Langworthy
1.—The Bird Boys; or, The Young Sky Pilots’ First Air Voyage.
2.—The Bird Boys on the Wing; or, Aeroplane Chums in the
Tropics.
3.—The Bird Boys Among the Clouds; or, Young Aviators in a
Wreck.
4.—Bird Boys’ Flight; or, A Hydroplane Round-up.
5.—Bird Boys’ Aeroplane Wonder; or, Young Aviators on a
Cattle Ranch.