Dan Brown's 'The Secret of Secrets' Set for Global Release September 2025

Dan Brown's upcoming novel, 'The Secrets of Secrets,' will be released on September 9, 2025, marking the return of his iconic character, Robert Langdon. The plot follows Langdon as he travels to Prague to attend a lecture by his girlfriend, Katherine Solomon, a noetic scientist, but chaos ensues when a murder occurs and she goes missing. Throughout the book, Langdon navigates a thrilling journey through Prague, London, and New York, all while being pursued by a powerful organization linked to ancient mythology. Brown describes the novel as his most intricately plotted and ambitious work to date, exploring deep themes of human consciousness and the mind. The book will be published simultaneously in 17 territories and has an initial print run of 1.5 million copies. Brown's previous works have captivated readers worldwide, and anticipation is high for this new installment in the Langdon series.