Marcus Sedgwick ; illustrated by Pete Williamson. by Francesca Simon ; illustrated by Pete Williamson. illustrated by Pete Williamson. by Jill Atkins ; illustrated by Gwyneth Williamson. illustrated by Pete Williamson written and illustrated by Sarah Williamson. Michael Coleman ; illustrated by Gwyneth Williamson. by Michael Coleman ; illustrated by Gwyneth Williamson. Carron Brown ; illustrated by Bee Johnson. Illustrated by Pete Williamson