Cloak and Dagger by Nenia CampbellKilling Floor by Lee ChildArmed and Dangerous by Nenia CampbellThe Gray Man by Mark GreaneyKilling Sarai by J.A. Redmerski
Lone Assassins and Brooding Agents
121 books — 183 voters
Tinker, Tailor, Soldier, Spy by John le CarréThe Spy Who Came In from the Cold by John le CarréThe Bourne Identity by Robert LudlumThe Day of the Jackal by Frederick ForsythThe Hunt for Red October by Tom Clancy
Best Spy Novels
1,399 books — 2,475 voters

The Spy Who Came In from the Cold by John le CarréTinker, Tailor, Soldier, Spy by John le CarréThe Day of the Jackal by Frederick ForsythThe Bourne Identity by Robert LudlumThe Hunt for Red October by Tom Clancy
Espionage
1,006 books — 1,046 voters
Captive in the Dark by C.J. RobertsSeduced in the Dark by C.J. RobertsComfort Food by Kitty ThomasMercy by Lucian BaneConsequences by Aleatha Romig
The Darker Side
1,280 books — 3,439 voters