<P> The book was adapted into an opera by Norwegian composer Marcus Paus and his father Ole Paus, who wrote the libretto . It premiered in 2008 . </P> <P> On 29 September 2017, it was announced by Baz Bamigboye for the Daily Mail that a stage musical adaptation is in development, and is expected to premiere at the National Theatre, London for Christmas 2018 . The musical will be directed by Lyndsey Turner and feature a score by James Humphreys . </P>

What is the name of the boy in the witches