by Charlie Hart ; illustrated by Jill Howarth. by Janet Lawler ; illustrations by Jill Howarth. by Carmen Harris ; illustrated by Lis Toft. Heidi Howarth ; illustrated by Daniel Howarth. David Bedford ; illustrated by Daniel Howarth. M Christina Butler ; [illustrated by] Daniel Howarth. illustrated by Jill Howarth Mike Unwin ; illustrated by Daniel Howarth. by Callie Barkley ; illustrated by Marsha Riti. by Chris Barton ; illustrated by Troy Cummings.