The Boy Aviators on Secret Service; Or, Working with Wireless - John Henry Goldfrap

4 The Boy Aviators’ Treasure Quest; or, The Golden Galleon.

5 The Boy Aviators in Record Flight; or, The Rival Aeroplane.

6 The Boy Aviators’ Polar Dash; or, Facing Death in the Antarctic.

7 The Boy Aviators’ Flight for a Fortune.

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HURST & COMPANY

Publishers

New York