Spy World

The Librarian Spy : A Novel of World War II

Madeline Martin

Ashenden - The British Agent : Spy Stories from the World War I

W. Somerset Maugham

How to Become a Spy : The World War II SOE Training Manual

Double Agent : The First Hero of World War II and How the FBI Outwitted and Destroyed a Nazi Spy Ring

Peter Duffy

The Princess Spy: The True Story of World War II Spy Aline Griffith, Countess of Romanones

Larry Loftis

Code Breaker, Spy Hunter : How Elizebeth Friedman Changed the Course of Two World Wars

Laurie Wallmark

A Man Called Intrepid : The Incredible True Story of the Master Spy Who Helped Win World War II

William Stevenson

Ming and Marie Spy for Freedom (The Girls Who Changed the World, #2)

Jackie French

Operation Garbo : The Personal Story of the Most Successful Spy of World War II

Juan Pujol García, Nigel West

The Spy Net : The Greatest Intelligence Operations of the First World War

Henry Landau

The Kingdom of the Blind (Spy Thriller Classic) : Second World War Espionage Mystery

E. Phillips Oppenheim

The Collected Works of John Buchan (Illustrated) : Spy Classics, Thrillers, Adventure Novels, Mystery Novels, Historical Works, Scottish Poems, Essays, & World War I Books

John Buchan