9.—Boy Scouts Beyond the Artic Circle; or, The Lost Expedition.
10.—Boy Scout Camera Club; or, Confessions of a Photograph.
11.—Boy Scout Electricians; or, The Hidden Dynamo.
12.—Boy Scouts in California; or, The Flag on the Cliff.
13.—Boy Scouts on Hudson Bay; or, The Disappearing Fleet.
14.—Boy Scouts in Death Valley; or, The City in the Sky.
15.—Boy Scouts on the Open Plains; or, The Round-up not Ordered.
16.—Boy Scouts in Southern Waters; or, the Spanish Treasure Chest.
17.—Boy Scouts in Belgium; or, Under Fire in Flanders.
18.—Boy Scouts in the North Sea; or, the Mystery of U-13.