Kjartan Poskitt ; illustrated by Trevor Dunton. Kjartan Poskitt ; illustrated by Philip Reeve. Kjartan Poskitt ; illustrated by Daniel Postgate. Kjartan Poskitt ; illustrations by Geraint Ford. Kjartan Poskitt and [illustrated by] Alex Willmore Mark Haddon ; illustrated by Peter Sutton. John Escott ; illustrated by Trevor Stubley Peter Bently ; illustrated by Steven Lenton. illustrated by Trevor Dunton written and illustrated by Joe Fenton.