The Boy Allies with Uncle Sam's Cruisers

by Hayes, Clair W. 1887-
Published 2004

The Boy Allies under Two Flags

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2003

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2004

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

by Hayes, Clair W. 1887-
Published 2005

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

by Hayes, Clair W. 1887-
Published 2005

The Boy Allies in the Baltic : Through Fields of Ice to Aid the Czar

by Hayes, Clair W. 1887-
Published 2014

The Boy Allies with the Terror of the Seas : The Last Shot of Submarine D-16

by Hayes, Clair W. 1887-
Published 2014

The Boy Allies with Pershing in France : Over the Top at Chateau Thierry

by Hayes, Clair W. 1887-
Published 2014

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

by Hayes, Clair W. 1887-
Published 2004

The Boy Allies on the North Sea Patrol : Striking the First Blow at the German Fleet

by Hayes, Clair W. 1887-
Published 2014

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

by Hayes, Clair W. 1887-
Published 2015

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

by Hayes, Clair W. 1887-
Published 2010