Book Series Guide

Dan Brown · novel series

Robert Langdon books in order

A series following Harvard professor of religious symbology Robert Langdon as he deciphers ancient codes and symbols to uncover world-changing secrets.

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Reading order

Only reading orders present in the catalog are shown. Optional novellas and companion works can be hidden without changing the underlying sequence.

Publication order

  1. 1
    Angels & Demons

    Book 1 · novel · 2000

    World-renowned Harvard symbologist Robert Langdon is summoned to a Swiss research facility to analyze a cryptic symbol seared into the chest of a murdered physicist. What he discovers is unimaginable: a deadly vendetta against the…

  2. 2
    The Da Vinci Code

    Book 2 · novel · 2003

    The Da Vinci Code is a 2003 mystery thriller novel by Dan Brown. It is Brown's second novel to include the character Robert Langdon: the first was his 2000 novel Angels & Demons. The Da Vinci Code follows "symbologist" Robert Langdon and…

  3. 3
    The Lost Symbol

    Book 3 · novel · 2009

    What was lost will be found... Washington DC: Harvard symbologist Robert Langdon is summoned at the last minute to deliver an evening lecture in the Capitol Building. Within moments of his arrival, however, a disturbing object -…

  4. 4
    Inferno

    Book 4 · novel · 2013

    In the heart of Italy, Harvard professor of symbology Robert Langdon is drawn into a harrowing world centered on one of history's most enduring and mysterious literary masterpieces--Dante's "Inferno"--as he battles a chilling adversary…

  5. 5
    Origin

    Book 5 · novel · 2017

    Robert Langdon, Harvard professor of symbology, arrives at the ultramodern Guggenheim Museum Bilbao to attend the unveiling of a discovery that “will change the face of science forever.” The evening’s host is Edmond Kirsch, a…

  6. 6
    The Secret of Secrets

    Book 6 · novel · 2025

    Robert Langdon, esteemed professor of symbology, travels to Prague to attend a groundbreaking lecture by Katherine Solomon—a prominent noetic scientist with whom he has recently begun a relationship. Katherine is on the verge of…