Dan Brown's new novel, the eagerly awaited follow-up to his #1 international phenomenon, The Da Vinci Code, which was the bestselling hardcover adult novel of all time with 81 million copies in print worldwide, will be published in the U.S. and Canada by Doubleday on September 15, 2009. THE LOST SYMBOL will have a first printing of 5 million copies, and it will once again feature Dan Brown's unforgettable protagonist, Robert Langdon.