Spies
Free to read here, from Project Gutenberg.
Doom Castle
My adventures as a spy
General Washington's spies on Long Island and in New York
André
Spies and Secret Service
Nancy Dale, Army Nurse
The German Spy System from Within
The Boy Spies of Philadelphia
The German Spy in America
On The Blockade
With the Swamp Fox: A Story of General Marion's Young Spies
A Jacobite Exile
Shamar's War
His Lordship's Leopard: A Truthful Narration of Some Impossible Facts
The Banner Boy Scouts Mystery
The World's Greatest Military Spies and Secret Service Agents
Dorothy Dixon and the Double Cousin
The Boy Spies with the Regulators
Aunt Jane's Nieces at Work
Sign of the Green Arrow
The Boy Volunteers on the Belgian Front
Norma Kent of the WACS
The Wailing Octopus: A Rick Brant Science-Adventure Story
The great Roxhythe
Patty—Bride
Red Dusk and the Morrow: Adventures and Investigations in Red Russia
The Automobile Girls at Washington; Or, Checkmating the Plots of Foreign Spies
Britain's Deadly Peril: Are We Told the Truth?
A Yankee Girl at Shiloh
Kokemukseni vakoojana
Revolt on Io
Captain Lucy in the Home Sector
Bob Cook and the German Spy
Secrets of Radar
A Case of Sunburn
