Jeanne Willis ; illustrated by Mark Chambers. Jeanne Willis ; illustrated by Jane Chapman. Jeanne Willis ; illustrated by Jarvis. Adam Frost ; illustrated by Mark Chambers. Jeanne Willis ; illustrated by David Semple. Jeanne Willis & [illustrated by] Bethany Christou Jeanne Willis ; illustrated by Briony May Smith. illustrated by Mark Chambers. Jeanne Willis and [illustrated by] Tony Ross. illustrated by Mark Chambers