All Novels in Publication Order:

1. Digital Fortress (1998)

2. Angels & Demons (2000)

3. Deception Point (2001)

4. The Da Vinci Code (2003)

5. The Lost Symbol (2009)

6. Inferno (2013)

7. Origin (2017)

 

Robert Langdon Series Novels In Publication Order:

1. Angels & Demons (2000)

[Robert Langdon with supporting character: Vittoria Vetra]

2. The Da Vinci Code (2003)

[Robert Langdon with supporting character: Sophie Neveu]

3. The Lost Symbol (2009)

[Robert Langdon with supporting character: Katherine Solomon]

4. Inferno (2013)

[Robert Langdon with supporting character: Dr. Sienna Brooks]

5. Origin (2017)

[Robert Langdon with supporting character: Ambra Vidal]

 

Standalone Novels in Publication Order:

1. Digital Fortress (1998)

[Main protagonist: Susan Fletcher, supporting protagonist : David Becker]

2. Deception Point (2001)

[Main protagonist: Rachel Sexton, supporting protagonist : Michael Tolland]