How many books are there in the Bourne series written by Robert Ludlum?

Answer 1

Robert Ludlum wrote 3, he is the creator of Bourne. The series were continued by Eric Van Lustbader when Robert Ludlum died. The character bourne is still in the new novels.

Robert Ludlum wrote the trilogy:

1. The Bourne Identity (1980)

2. The Bourne Supremacy (1986)

3. The Bourne Ultimatum (1990)

Before he died he allowed Eric Van Lustbader to continue the series:

4. The Bourne Legacy (2004)

5. The Bourne Betrayal (2007)

6. The Bourne Sanction (2008)

7. The Bourne Deception (2009)

8. The Bourne Objective (2010)

9. The Bourne Dominion (2011)

10. The Bourne Imperative (2012)

This may or may not be true, i read somewhere that book 11 will be coming:

11. The Bourne Retribution (rumor, around 2013)

Answer 2

There are three books in the original Bourne trilogy written by Robert Ludlum: "The Bourne Identity," "The Bourne Supremacy," and "The Bourne Ultimatum."