9.5 in

Secret of Secrets : A Novel by Dan Brown. Katherine is on the verge of publishing an explosive book that contains startling discoveries about the nature of human consciousness and threatens to disrupt centuries of established belief.

Secret of Secrets: A Novel by Dan Brown is a gripping addition to the Robert Langdon series. Set for publication in 2025 by Knopf Doubleday Publishing Group, this hardcover book promises 688 pages of thrilling suspense, technological intrigue, and action-packed adventures. With stunning illustrations and an engaging storyline, this work of fiction is sure to captivate readers with its intricate plot and intriguing twists. Dan Brown's exceptional writing prowess and detailed world-building make this novel a must-read for fans of the genre.

"Secret of Secrets: A Novel" by Dan Brown is a thrilling addition to the Robert Langdon series, published by Knopf Doubleday Publishing Group in 2025. This hardcover book, with a length of 9.5 inches and a height of 1.2 inches, features 688 pages filled with suspense, technology, and adventure. The novel is illustrated and written in English, making it a captivating read for fans of fiction and thrilling mysteries. With its intriguing plot and engaging storytelling, "Secret of Secrets" is sure to keep readers on the edge of their seats until the very end.Brand new first Doubleday edition Ships fast