The Boy Allies under Two Flags

The Boy Allies with Haig in Flanders; Or, the Fighting Canadians of Vimy Ridge

The Boy Allies with Marshal Foch; or, The Closing Days of the Great World War

The Boy Allies with the Terror of the Seas; Or, The Last Shot of Submarine D-16

The Boy Allies with Uncle Sam's Cruisers

The Boy Allies at Verdun; Or, Saving France from the Enemy

The Boy Allies at Liège; Or, Through Lines of Steel

The Boy Allies in the Balkan Campaign; Or, the Struggle to Save a Nation

The Boy Allies in the Baltic; Or, Through Fields of Ice to Aid the Czar

The Boy Allies in Great Peril; Or, With the Italian Army in the Alps

The Boy Allies with the Cossacks; Or, A Wild Dash over the Carpathians

The Boy Allies in the Trenches; Or, Midst Shot and Shell Along the Aisne

The Boy Allies with Pershing in France; Or, Over the Top at Chateau Thierry

The Boy Allies on the North Sea Patrol

Or, Striking the First Blow at the German Fleet

The Boy Allies with the Victorious Fleets; Or, The Fall of the German Navy

The Boy Allies on the Firing Line; Or, Twelve Days Battle Along the Marne