Anthony Horowitz is without question one of the world's most celebrated writers for young people as well as adults. He was at Cheltenham Literature Festival today talking about the inspirations, passions and experiences behind writing some of his most loved children's books.
He also spoke to our reporter Ken Goodwin about the new ITV series of Foyle's war to be shown on ITV1
Some of the world's biggest stars will be taking part in arguably one of the world's most famous literary festivals, which started today.
More than a hundred and thirty thousand people are expected to attend the Cheltenham Literary Festival, which this year is attracting Harry Potter author JK Rowling and former James Bond actor Roger Moore.