The product is a signed first edition hardcover novel titled "Secret of Secrets" by Dan Brown, part of the Robert Langdon series.

The Secret of Secrets: A Novel by Dan Brown (2025). 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.

The Secret of Secrets by Dan Brown. Hardcover bound in original black cloth with gold lettering, in original dust jacket. ISBN 9780385546898. Dan Brown is one of the best-known thriller writers of the past several decades, widely associated with page-turning novels built around codes, secrets, history, religion, art, and conspiracy.

The product is a hardcover first edition novel titled "Secret of Secrets" by Dan Brown, part of the Robert Langdon series. The book is signed by the author, features a dust jacket, and includes illustrations. With a thrilling narrative and elements of suspense and action, it is intended for an adult audience and published by Knopf Doubleday Publishing Group in 2025. The novel spans 688 pages and falls under the genre of fiction, reflecting a post-modernist literary movement and set in the 2020s era. Pre-owned in Like New Condition