Angels & Demons (film) with author Dan Brown. In May 2006, following the release of the 2006 film adaptation of "The Da Vinci Code", Sony Pictures hired screenwriter Akiva Goldsman, who wrote the film adaptation of "The Da Vinci Code", to adapt "Angels & Demons". Filming was originally to begin in February 2008 and was originally going to be released on December 19, 2008, but because of the 2007–2008 Writers Guild of America strike, the film was pushed back for May 15, 2009. David Koepp rewrote the script before shooting began. Director Ron Howard chose to treat "Angels & Demons" as a sequel to
The Da Vinci Code Geoffrey Pullum and others posted several entries critical of Dan Brown's writing, at Language Log, calling Brown one of the "worst prose stylists in the history of literature" and saying Brown's "writing is not just bad; it is staggeringly, clumsily, thoughtlessly, almost ingeniously bad". Roger Ebert described it as a "potboiler written with little grace and style", although he said it did "supply an intriguing plot". In his review of the film "National Treasure", whose plot also involves ancient conspiracies and treasure hunts, he wrote: "I should read a potboiler like "The Da Vinci Code" every once in a while,