The Boy Allies at Jutland; Or, The Greatest Naval Battle of...

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

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

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

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

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

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

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

The Boy Allies on the North Sea Patrol Or, Striking the First...

The Boy Allies Under the Sea; Or, The Vanishing Submarines

The Boy Allies under Two Flags

The Boy Allies with Haig in Flanders; Or, the Fighting Canadians...

The Boy Allies with Marshal Foch or, The Closing Days of the...

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

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

The Boy Allies with the Terror of the Seas; Or, The Last Shot of...

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

The Boy Allies with Uncle Sam's Cruisers