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The Wonder of War on Land
Francis Rolt-Wheeler
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The Boy Scouts in Front of Warsaw; Or, In the Wake of War
George Durston
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The Camp Fire Girls on the Open Road; Or, Glorify Work
Hildegard G. Frey
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The Boy Allies at Liège; Or, Through Lines of Steel
Clair W. Hayes
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The Motor Boys in the Army; or, Ned, Bob and Jerry as Volunteers
Clarence Young
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The Fight for Constantinople: A Story of the Gallipoli Peninsula
Percy F. Westerman
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Army Boys on German Soil: Our Doughboys Quelling the Mobs
Homer Randall
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Camp Fire Girls in War and Peace
Isabel Hornibrook
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The Fritz Strafers: A Story of the Great War
Percy F. Westerman
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The Secret Battleplane
Percy F. Westerman
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Grace Harlowe with the American Army on the Rhine
Josephine Chase
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Shelled by an Unseen Foe
James Fiske
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Ned, Bob and Jerry on the Firing Line; Or, The Motor Boys Fighting for Uncle Sam
Clarence Young
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The Camp Fire Girls Behind the Lines
Margaret Vandercook
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The Red Cross Girls in the British Trenches
Margaret Vandercook
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The Secret Wireless; Or, The Spy Hunt of the Camp Brady Patrol
Lewis E. Theiss
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The Big Five Motorcycle Boys on the Battle Line; Or, With the Allies in France
Ralph Marlow
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Boy Scouts with Joffre; Or, In the Trenches in Belgium
G. Harvey Ralphson
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Mary Lee the Red Cross Girl
Helen Hart
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Captain Jim
Mary Grant Bruce
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To the Fore with the Tanks!
Percy F. Westerman
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The Camp Fire Girls on the Field of Honor
Margaret Vandercook
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Fighting in France
Ross Kay
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The Red Cross girls with the Stars and Stripes
Margaret Vandercook
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Bob Cook and the German Spy
Paul G. Tomlinson
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