Kjartan Poskitt ; illustrated by Philip Reeve. Kjartan Poskitt ; illustrated by Daniel Postgate. Kjartan Poskitt ; illustrated by Trevor Dunton. Kjartan Poskitt ; illustrations by Geraint Ford. Kjartan Poskitt and [illustrated by] Alex Willmore illustrated by Philip Reeve. Joy Cowley ; illustrated by Philip Webb. illustrated by Philip Reeve Gillian Shields ; illustrated by Rosie Reeve. Ian Whybrow ; illustrated by Rosie Reeve.