Ross Montgomery ; illustrated by David Litchfield. by Sally Lloyd-Jones ; illustrated by David Litchfield. illustrated by David Litchfield [illustrated by] David Litchfield illustrated by Jo Litchfield. Rose Impey ; illustrated by Robin Bell Corfield. illustrated by Jo Litchfield illustrated by David Hitch. by Fran Hunia ; illustrated by Kathie Layfield. Illustrated by David Schofield