Ambrose Newcomb
Eagles of the Sky; Or, With Jack Ralston Along the Air Lanes
Ambrose Newcomb
Wings Over the Rockies; Or, Jack Ralston's New Cloud Chaser
Ambrose Newcomb
Flying the Coast Skyways; Or, Jack Ralston's Swift Patrol
Ambrose Newcomb
The Sky Detectives; Or, How Jack Ralston Got His Man
Ambrose Newcomb
Trackers of the Fog Pack; Or, Jack Ralston Flying Blind
Ambrose Newcomb
