Boy Scouts in an Airship; or, the Warning from the Sky

Boy Scouts in Southern Waters

Boy Scouts on Motorcycles / With the Flying Squadron

The Boy Scout Camera Club, or, the Confession of a Photograph

Boy Scouts in a Submarine : or, Searching an Ocean Floor

Boy Scouts in the Philippines / Or, The Key to the Treaty Box

Boy Scouts in the North Sea / The Mystery of a Sub

Boy Scouts Mysterious Signal / or Perils of the Black Bear Patrol

Boy Scouts in Mexico; or on Guard with Uncle Sam

Boy Scouts on Hudson Bay / The Disappearing Fleet

Boy Scouts in the Canal Zone / The Plot Against Uncle Sam