From correspondents in London, England, 12:01 PM IST

Celebrated author Dan Brown has completed the last book in his Da Vinci Code trilogy, a month ahead of the release of movie prequel 'Angels and Demons'.

The new book 'The Lost Symbol' is slated to hit bookstores in September.

Sony Columbia Pictures movie executives are expected to snap up the rights to the book and continue the saga's film franchise, reports contactmusic.com.

The third book will have an initial print run of five million copies. 'The Da Vinci Code' is the bestselling hardcover adult novel of all time.

(Staff Writer, © IANS)