The Hades Factor (with Gayle Lynds) (2000)
The Cassandra Compact (with Phillip Shelby) (2001)
The Paris Option (with Gayle Lynds) (2002)
The Altman Code (with Gayle Lynds) (2003)
The Lazarus Vendetta (with Patrick Larkin) (2004)
The Moscow Vector (with Patrick Larkin) (2005)
The Arctic Event (by James H. Cobb) (2007)
The Ares Decision (by Kyle Mills) (2011)
The Janus Reprisal (by Jamie Freveletti) (2012)
The Utopia Experiment (by Kyle Mills) (2013)
The Geneva Strategy (by Jamie Freveletti) (2015)
The Patriot Attack (by Kyle Mills) (2015)

Call for the Dead (1961)
A Murder of Quality (1962)
The Spy Who Came in from the Cold (1963)
The Looking Glass War (1965)
Tinker Tailor Soldier Spy (1974)
The Honourable Schoolboy (1977)
Smiley's People (1979)
The Secret Pilgrim (1990)
A Legacy of Spies (2017)

history

Medieval