
Book Details
| Detail | Information |
|---|---|
| Book Name | The Secret of Secrets |
| Author | Dan Brown |
| Publisher | Random House Audio |
| Release Date | September 9, 2025 |
| Audiobook Duration | 22 hours and 51 minutes |

About Book
The world’s most celebrated thriller writer returns with another breathtaking novel—a fast-paced, twist-filled, and deeply thought-provoking story that only Dan Brown could deliver.
This time, Robert Langdon, Harvard’s renowned professor of symbology, travels to Prague for a groundbreaking lecture by Katherine Solomon, a brilliant noetic scientist and his new romantic partner. Katherine is on the brink of releasing a revolutionary book that challenges centuries of accepted beliefs with bold discoveries about human consciousness. But before she can share it with the world, a brutal murder shatters their plans, and Katherine vanishes along with her manuscript.
Suddenly, Langdon becomes the target of a shadowy organization and a terrifying figure born from Prague’s ancient legends. From the cobbled streets of Prague to the bustling heart of London and New York, Langdon races against time to find Katherine—and uncover the truth. What he discovers is a shocking secret project that could forever transform humanity’s understanding of the mind.
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