June 22, 2016 | SuzyQ

Agent Zigzag : a true story of Nazi espionage, love, and betrayal by Ben Macintyre

Nathan Hale : the life and death of America's first spy by M. William Phelps

Queen of spies : Daphne Park, Britain's Cold War spy master by Paddy Hayes

Double agent : the first hero of World War II and how the FBI outwitted and destroyed a Nazi spy ring by Peter Duffy

Southern lady, Yankee spy : the true story of Elizabeth Van Lew, a Union agent in the heart of the Confederacy by Elizabeth R. Varon

Disciples : the World War II missions of the CIA directors who fought for Wild Bill Donovan by Douglas C Waller

Spyglass : an autobiography by Hélène Deschamps

Perfect spy : the incredible double life of Pham Xuan An, Time magazine reporter and Vietnamese communist agent by Larry Berman

Agent Garbo : the brilliant, eccentric secret agent who tricked Hitler and saved D-Day by Stephan Talty

Liar, temptress, soldier, spy : four women undercover in the Civil War by Karen Abbott

Stories of four courageous women-- a socialite, a farm girl, an abolitionist, and a widow, all spies during the Civil War.

A spy among friends : Kim Philby and the great betrayal by Ben Macintyre

Washington's spies : the story of America's first spy ring by Alexander Rose

Spymistress : the true story of the greatest female secret agent of World War II by William Stevenson

Our man in Charleston : Britain's secret agent in the Civil War South by Christopher Dickey

The little-known story of a British diplomat who serves as a spy in South Carolina at the dawn of the Civil War, posing as a friend to slave-owning aristocrats when he was actually telling Britain not to support the Confederacy.

A cool and lonely courage : the untold story of sister spies in Occupied France by Susan Ottaway

Eileen Nearne and her sister Jacqueline were agents for the Special Operations Executive during the Second World War, working undercover in Nazi-occupied France to send crucial intelligence to the Allies. But the war dealt these sisters a cruel hand. While Jacqueline narrowly evaded capture, Eileen was arrested and tortured by the Gestapo before being incarcerated in Ravensbruck concentration camp. She was only 23.