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Pies
45 books
Bob Cook and the German Spy
Paul G. (Paul Greene) Tomlinson
The Automobile Girls at Washington
Laura Dent Crane
Aunt Jane's Nieces at Work
L. Frank (Lyman Frank) Baum
My adventures as a spy
Baden-Powell of Gilwell, Robert Stephenson Smyth Baden-Powell, Baron
A Jacobite Exile Being the Adventures of a Young Englishman in…
G. A. (George Alfred) Henty
On The Blockade
Oliver Optic, L. J. (Lewis Jesse) Bridgman
Punky Dunk and the Spotted Pup
Anonymous
Doom Castle
Neil Munro
André
William Dunlap, Montrose Jonas Moses
The Migrations of an American Boat Type
Howard Irving Chapelle
His Lordship's Leopard
David Dwight Wells
The Wailing Octopus: A Rick Brant Science-Adventure Story
Harold L. (Harold Leland) Goodwin
Nurse and Spy in the Union Army The Adventures and Experiences…
S. Emma E. (Sarah Emma Evelyn) Edmonds
The German Spy System from Within
Anonymous, William Le Queux
The Boy Spies with the Regulators The Story of How the Boys Ass…
James Otis
With the Swamp Fox: A Story of General Marion's Young Spies
James Otis, J. Watson Davis
Dorothy Dixon and the Double Cousin
Dorothy Wayne
The Boy Spies of Philadelphia The Story of How the Young Spies…
James Otis, George E. Graves
Sign of the Green Arrow A Mystery Story
Roy J. (Roy Judson) Snell
Nancy Dale, Army Nurse
Ruby Lorraine Radford, Henry E. Vallely
Norma Kent of the WACS
Roy J. (Roy Judson) Snell, Hedwig Jo Meixner
Spies and Secret Service The story of espionage, its main syste…
Hamil Grant
Patty—Bride
Carolyn Wells
Shamar's War
Kris Neville, John Giunta
The Banner Boy Scouts Mystery
George A. Warren
The German Spy in America The Secret Plotting of German Spies i…
John Price Jones, Theodore Roosevelt, Roger B. Wood
The Boy Volunteers on the Belgian Front
Kenneth Ward
The World's Greatest Military Spies and Secret Service Agents
George Barton
A Yankee Girl at Shiloh
Alice Turner Curtis, Isabel W. (Isabel Wright) Caley
Captain Lucy in the Home Sector
Aline Havard, Ralph P. (Ralph Pallen) Coleman
Red Dusk and the Morrow
Paul Dukes
Secrets of Radar
Roy J. (Roy Judson) Snell