The Boy Allies under Two Flags
The Boy Allies Under the Sea; Or, The Vanishing Submarines
The Boy Allies on the North Sea Patrol
The Boy Allies on the Firing Line; Or, Twelve Days Battle Along the Marne
The Boy Allies in the Trenches; Or, Midst Shot and Shell Along the Aisne
The Boy Allies in the Baltic; Or, Through Fields of Ice to Aid the Czar
The Boy Allies in the Balkan Campaign; Or, the Struggle to Save a Nation
The Boy Allies in Great Peril; Or, With the Italian Army in the Alps
The Boy Allies at Verdun; Or, Saving France from the Enemy
The Boy Allies at Liège; Or, Through Lines of Steel
The Boy Allies at Jutland; Or, The Greatest Naval Battle of History
The Box with Broken Seals
The Box of Smiles, and Other Stories
The Box-Car Children
The Bow of Orange Ribbon: A Romance of New York
The Bow, Its History, Manufacture and Use