New book ... author Dan Brown, left, with US actor Tom Hanks.
Photo: AP

A mammoth 6.5 million copies of Dan Brown's new book will be printed in its first run.

Six years after the release of his mega-selling The Da Vinci Code,  Brown's publisher said The Lost Symbol, a thriller set during a 12-hour period and featuring Da Vinci Code symbolist Robert Langdon, will come out in September.  >>>