Book release date · Dan Brown
The Secret of Secrets release date
Quick answer · Out now (September 9, 2025)
The Secret of Secrets by Dan Brown came out on September 9, 2025. It is published by Doubleday.
The sixth Robert Langdon novel, his first since Origin (2017).
Checked Friday, October 9, 2026 · Source: Penguin Random House
- Release date
- September 9, 2025
- Author
- Dan Brown
- Series
- Robert Langdon book 6
- Publisher
- Doubleday
Common questions
When did The Secret of Secrets come out?
The Secret of Secrets by Dan Brown came out on September 9, 2025. It is published by Doubleday.
Who wrote The Secret of Secrets?
The Secret of Secrets is by Dan Brown.
Is The Secret of Secrets part of a series?
Yes, it is book 6 of the Robert Langdon series.
Other big books coming soon
- The Family Cross by James Patterson · October 19, 2026
- Chain Reaction by Lee Child and Andrew Child · October 20, 2026
- Miss Wolcott's Ghost by Louise Penny · October 20, 2026
- Diary of a Wimpy Kid: Fight or Flight by Jeff Kinney · October 20, 2026
- A Court of Splintered Harmony by Sarah J. Maas · October 27, 2026
- The Keeper by Ana Huang · October 27, 2026
- All new book releases →