The follow-up to Dan Brown’s Da Vinci Code should finally see the light of day later this year, the New York Observer reports. Publisher Doubleday says The Lost Symbol will hit shelves Sept.15, 4 years after originally hoped. The first print run will be 5 million copies, the publisher’s largest ever. “This is one of the most anticipated publications in recent history, and it was well worth the wait,” said a Doubleday exec. (More literature stories.)