Genre / Suspense, Espionage, Political & Thrillers

Spy by James Fenimore Cooper
James Fenimore Cooper
Riddle of the Sands by  Erskine Childers
Riddle of the Sands
Erskine Childers
Secret Agent by Joseph Conrad
Secret Agent
Joseph Conrad
Uncle Silas by Joseph Sheridan Le Fanu
Uncle Silas
Joseph Sheridan Le Fanu
Elusive Isabel by Jacques Futrelle
Elusive Isabel
Jacques Futrelle
Brain Twister by Randall Garrett
Brain Twister
Randall Garrett
Thirty-nine Steps by John Buchan
Thirty-nine Steps
John Buchan