by Martin Waddell ; illustrated by Leo Hartas. by Martin Waddell ; illustrated by Terry Milne. by Martin Waddell ; illustrated by Barbara Firth. written by Martin Waddell ; illustrated by Jill Barton. Martin Waddell ; illustrated by David Price. Martin Waddell ; illustrated by Barbara Firth. Martin Waddell ; illustrated by Barbara Firth. Martin Waddell ; illustrated by Sarah Fox-Davies. written by Martin Waddell ; illustrated by Barbara Firth. Helen Moss ; illustrated by Leo Hartas.