Reading order
Robert Langdon series reading order
- Angels & Demons2000
- The Da Vinci Code2003
- The Lost Symbol2009
- Inferno2013
- Origin2017
- The Secret of Secrets2025
- 6 volumes
- Volumes
- 2000–2025
- Published
- about 65 h
- Reading time
- Ongoing
- Status
- Adventure#24
- Genre
Quick answer

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Publication order
6 volumes2000–2025Ongoing
- Each book is a self-contained puzzle, so any of them works as a start — most readers begin with The Da Vinci Code (2003), though Angels & Demons (2000) came first.
- Publication order adds small callbacks to earlier cases.
A plan for the whole series
6 volumes, 3,581 pages, about 65 hours. At 45 min a day that is about 3 months.
Share of volume 1’s readers who reach the last volume. Chance of reaching the last volume: low
- From volume 2 on, the number of ratings falls most before volume 3, “The Lost Symbol” (by 62%). Plan your break after volume 2, before the series plans it for you.
- Readers scored volume 3, “The Lost Symbol”, below its predecessor (7.0 after 7.3). If you slow down there, that is on the book, not on you. From volume 4 the form returns.
- The series is still running; the last volume came out in 2025. You will wait for the next one anyway, so no need to rush.
Stages
5 stages, with 4 short books from outside the series between them. You finish around February 14, 2027, 21 days later than in one go.
- Stage 120 habout 4 weeksby November 24, 2026
- BreakMaus · Art Spiegelman · 295 pp. · score 9.0
- Stage 211 h15 daysby December 18, 2026
- Short breakThe Fire Next Time · James Baldwin · 120 pp. · score 8.8
- Stage 311 h14 daysby January 5, 2027
- Short breakThe Emperor's Soul · Brandon Sanderson · 96 pp. · score 8.8
- Stage 412 h15 daysby January 24, 2027
- Short breakOn Tyranny: Twenty Lessons from the Twentieth Century · Timothy Snyder · 128 pp. · score 8.4
- Stage 513 h17 daysby February 14, 2027
- The end of the series
We count 1.1 min per page, the pace of an average novel reader. Faster? Move the slider.
Does the series hold up
Shape of the series: uneven. Scores jump by 0.4 points with no clear direction.
Best volume: Angels & Demons (7.4, 3,956 ratings). Weakest: The Lost Symbol (7.0). From volume 2 on, the biggest drop in the number of ratings is between volume 2 and 3: 62%. The series is not finished; the last volume came out in 2025. The last volume (7.2) scores close to the series average or above it.
How this plan is calculated
The plan comes from the pages and ratings of each volume: we split the series into stages of about three weeks’ reading, size each break to the stage before it, and read the chance of finishing from how many readers rate the last volume compared with the first. How we work out the plan →
Every volume in order
Order checked by hand · Order and years: Wikidata (CC0). Spotted an error? Tell us. · Data updated October 29, 2026
Robert Langdon books ranked, best to worst
- 1.Angels & DemonsBook 1 · 20007.4
- 1.InfernoBook 4 · 20137.4
- 3.The Da Vinci CodeBook 2 · 20037.3
- 3.OriginBook 5 · 20177.3
- 5.The Secret of SecretsBook 6 · 20257.2
- 6.The Lost SymbolBook 3 · 20097.0
Frequently asked questions
Which Robert Langdon book is the best?
By reader score, Angels & Demons (7.4/10). The lowest-rated is The Lost Symbol (7.0/10).
Which Robert Langdon series book is the longest?
“The Secret of Secrets” is the longest at 704 pages; the shortest is “The Da Vinci Code” with 489 pages.





