Helen Cresswell ; illustrated by Aafke Brouwer. Helen Cresswell ; illustrated by Ruth Rivers. Helen Cresswell ; illustrated by Jason Cockcroft. Helen Peters ; illustrated by Ellie Snowdon. Helen Moss ; illustrated by Leo Hartas. Andrew Clements ; illustrated by Adam Stower. Helen Martin ; illustrated by Anil Tortop. Chris D'Lacey ; illustrated by Adam Stower. Helen Dunmore ; illustrated by Simone Lia. Helen Ketteman ; illustrated by Will Terry.