Wars Spy

The Culper Ring : The History and Legacy of the Revolutionary War's Most Famous Spy Ring

Charles River Editors

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

Laurie Wallmark

Dead Doubles : The Extraordinary Worldwide Hunt for One of the Cold War’s Most Notorious Spy Rings

Trevor Barnes

Cold War Spy Stories from Eastern Europe

The Skripal Files: Putin, Poison and the New Spy War

Mark Urban

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

Juan Pujol García, Nigel West

Lincoln's Spies : Their Secret War to Save a Nation

Douglas Waller

Liar, Temptress, Soldier, Spy : Four Women Undercover in the Civil War

Karen Abbott

A Colder War

Charles Cumming

Beverly Hills Spy : The Double-Agent War Hero Who Helped Japan Attack Pearl Harbor

Ronald Drabkin

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

Henry Landau

Spies in the Family : An American Spymaster, His Russian Crown Jewel, and the Friendship That Helped End the Cold War

Eva Dillon