Ludlum, Robert (30)

Road to
1 – The Road to Gandolfo
2 – The Road to Omaha

Bourne
1 – The Bourne Identity
2 – The Bourne Supremacy
3 – The Bourne Ultimatum

Covert-One
1 – The Hades Factor with Gayle Lynds
2 – The Cassandra Compact with Philip Shelby
3 – The Paris Option with Gayle Lynds
4 – The Altman Colde with Gayle Lynds
5 – The Lazarus Vendetta with Patrick Larkin
6 – The Moscow Vector with Keith Farrell and Patrick Larkin

Matarese Dynasty
1 – The Matarese Circle
2 – The Matarese Countdown

Others
1 – Aquitaine Progression
2 – The Rhineman Exchange
3 – The Cry of Halidon (aka Jonathan Ryder)
4 – The Gemini Contenders
5 – The Icarus Agenda
6 – The Janson Directive
7 – The Sigma Protocol
8 – The Scarlatti Inheritance
9 – The Apocalypse Watch
10 – The Holcroft Covenant
11 – The Osterman Weekend
12 – The Parsifal Mosaic
13 – The Prometheus Deception
14 – The Tristan Betrayal
15 – Trevayne
16 – The Scorpio Illusion
17 – The Matlock Paper