The Da Vinci Code author Dan Brown has shattered first-day records for adult fiction after selling more than a million copies of his new mystery THE LOST SYMBOL.
The e-book edition of his new novel also posted big sales, and shot to the top of the Amazon Kindle list.
Anticipating the strong first-day sales, publishers at Knopf Doubleday have agreed to add an extra 600,000 copies of the book to their initial print run of five million.