# The Secret of Secrets (exp edition)

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- Book: [The Secret of Secrets (exp edition)](https://www.bookquiver.com/dan-brown/the-secret-of-secrets-exp-edition) ([The Secret of Secrets (exp edition).md](https://www.bookquiver.com/dan-brown/the-secret-of-secrets-exp-edition.md))
- Authors: [Dan Brown](https://www.bookquiver.com/dan-brown)
- Publisher: Random House
- ISBN: 979-82-1700-992-3
- Pages: 688
- Published: 2026-07-28
- Language: en_US
- Binding: Softcover

## Description

INSTANT #1 NEW YORK TIMES BESTSELLER • THE NEW ROBERT LANGDON THRILLER FROM THE ICONIC AUTHOR OF THE DA VINCI CODE Robert Langdon, esteemed professor of symbology, has traveled to Prague to attend a groundbreaking lecture by Katherine Solomon—a prominent noetic scientist with whom he has recently begun a romantic relationship. Katherine is on the verge of publishing a breakthrough book that contains explosive scientific discoveries about the nature of human consciousness . . . revelations that threaten to disrupt centuries of established belief. When a brutal murder catapults the trip into chaos, Katherine suddenly goes missing—and her manuscript disappears. Desperate to find the woman he loves, Langdon embarks on a thrilling race through the mystical landscape of Prague, ruthlessly hunted by a powerful organization and a chilling assailant sprung from the city’s ancient mythology. As the action expands to London and New York, Langdon plunges into the dual worlds of futuristic science and historical lore—navigating a labyrinth of codes and symbols . . . and finally uncovering a shocking truth about a secret project that will forever change the way we think about the human mind.