1 The Boy Aviators in Nicaragua;
    or, In League with the Insurgents.

2 The Boy Aviators on Secret Service;
    or, Working with Wireless.

3 The Boy Aviators in Africa;
    or, An Aerial Ivory Trail

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.