Dan Brown's 'The Secret of Secrets' just hit the hardcover fiction top 10, and fans are already split. Some say it's his best Robert Langdon mystery yet, while others claim it's just a rehash of old tropes. The real drama? Rumors that a major plot twist about human consciousness could change the whole Langdon universe. Are we witnessing the start of a new era or just clever marketing? #Entertainment #Books #DanBrown