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Spy stories
97 books

The Thirty-Nine Steps
John Buchan

Greenmantle
John Buchan

Mr. Standfast
John Buchan

The Kingdom of the Blind
E. Phillips (Edward Phillips) Oppenheim

Kim
Rudyard Kipling

Havoc
E. Phillips (Edward Phillips) Oppenheim

The Riddle of the Sands
Erskine Childers

Okewood of the Secret Service
Valentine Williams

The Vultures
Henry Seton Merriman

The Boy Scout Aviators
George Durston

The Great Impersonation
E. Phillips (Edward Phillips) Oppenheim

The Dare Boys of 1776
Stephen Angus Douglas Cox

I Spy
Natalie Sumner Lincoln

The Spy
James Fenimore Cooper

The Czar's Spy: The Mystery of a Silent Love
William Le Queux

The Powers and Maxine
C. N. (Charles Norris) Williamson, A. M. (Alice Muriel) Williamson, Frank T. Merrill

A Rogue by Compulsion: An Affair of the Secret Service
Victor Bridges

The Double Traitor
E. Phillips (Edward Phillips) Oppenheim

Affair in Araby
Talbot Mundy

Elusive Isabel
Jacques Futrelle, Alonzo Kimball

The Lost Ambassador
E. Phillips (Edward Phillips) Oppenheim, Howard Chandler Christy

The Man with the Clubfoot
Valentine Williams

A Maker of History
E. Phillips (Edward Phillips) Oppenheim

Brain Twister
Randall Garrett, Laurence M. Janifer

The New Forest Spy
George Manville Fenn, W. D. E. Evans

That Sweet Little Old Lady
Randall Garrett, Laurence M. Janifer, Kelly Freas

The Lost Despatch
Natalie Sumner Lincoln

The Arbiter: A Novel
Bell, Florence Eveleen Eleanore Olliffe, Lady

The Girl and the Bill An American Story of Mystery, Romance and…
Bannister Merwin

The Dark Star
Robert W. (Robert William) Chambers, William Dodge Stevens

The Traitors
E. Phillips (Edward Phillips) Oppenheim

Spies Die Hard!
Arnold Marmor