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Shelled by an Unseen Foe
James Fiske
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Dave Porter's war honors : or, At the front with the fighting engineers
Edward Stratemeyer
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The Secret Battleplane
Percy F. Westerman
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The Camp Fire Girls on the Open Road; Or, Glorify Work
Hildegard G. Frey
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Boy Scouts in the North Sea; Or, the Mystery of "U-13"
G. Harvey Ralphson
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Air Service Boys Over the Enemy's Lines; Or, The German Spy's Secret
Charles Amory Beach
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The Motor Boys in the Army; or, Ned, Bob and Jerry as Volunteers
Clarence Young
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Dave Darrin and the German Submarines
H. Irving Hancock
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Mary Louise Adopts a Soldier
L. Frank Baum and Emma Speed Sampson
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Captain Lucy and Lieutenant Bob
Aline Havard
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Under the White Ensign: A Naval Story of the Great War
Percy F. Westerman
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The Fighting Starkleys; or, The Test of Courage
Theodore Goodridge Roberts
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The Fight for Constantinople: A Story of the Gallipoli Peninsula
Percy F. Westerman
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Camp Fire Girls in War and Peace
Isabel Hornibrook
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The Red Cross Girls in Belgium
Margaret Vandercook
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Rounding up the Raider: A Naval Story of the Great War
Percy F. Westerman
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The Thick of the Fray at Zeebrugge, April 1918
Percy F. Westerman
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The Khaki Boys at Camp Sterling; Or, Training for the Big Fight in France
Josephine Chase
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On the Road to Bagdad: A Story of Townshend's Gallant Advance on the Tigris
F. S. Brereton
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Under Fire For Servia
James Fiske
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Lucia Rudini: Somewhere in Italy
Martha Trent
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The Red Cross Girls in the British Trenches
Margaret Vandercook
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Captain Jim
Mary Grant Bruce
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The Airship Boys in the Great War; or, The Rescue of Bob Russell
De Lysle F. Cass
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The Boy Scouts in Front of Warsaw; Or, In the Wake of War
George Durston
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