This is a 4-piece lot of Dan Brown paperback books from the Robert Langdon series, including “Lost Symbol,” “Digital Fortress,” “Deception,” and “Angels.” All books are in English and have a Paperback format. Each book is about 7.5 inches in length, 1.6 inches in height, and 4.2 inches in width. The total number of pages is 656, and the books were published by rRandom house Publishing Group in 2010. Perfect for fans of thrillers and suspense novels, these books are a great addition to any book collection.