Timothy Knapman has worked extensively with the award-winning vocal ensemble 'I Fagiolini', written plays (most recently 'The Smallest Person' for Trestle Theatre Company), opera libretti (an adaptation of Susan Hill's 'I'm the King of the Castle' and English version of 'The Marriage of Figaro' and 'The Barber of Seville'), song lyrics and children's books, the first of which, 'Mungo and the Picture Book Pirates', is published by Puffin.