Dan Brown's novel “The Secret of Secrets" follows protagonist Robert Langdon as he searches for answers in a thrilling race through futuristic science and mystical lore.

Best-selling author and creator of the Robert Langdon book series Dan Brown is returning for another chapter with a new novel: The Secret of Secrets.

Author Dan Brown's next thriller, The Secret of Secrets, will be published on September 9, his publisher Doubleday announced on Wednesday. The book will bring back Harvard symbologist Robert Langdon—the protagonist of Brown's bestseller The Da Vinci Code—for a high-stakes journey spanning Prague,

The author of international bestseller The Da Vinci Code has announced he has written a new novel featuring Harvard symbologist Robert Langdon. Brown has sold over 250 million copies of his books globally.