Harriet Ziefert ; illustrations by Emily Bolam. by Harriet Ziefert ; illustrated by Norman Gorbaty. illustrations by Emily Bolam. by Carter Higgins ; illustrations by Emily Hughes. illustrations by Emily Bolam text & illustrations by Emily Mullock text & illustrations by Emily Mullock. Francesca Simon ; illustrated by Emily Bolam. additional illustrations by Nicola Slater illustrations, Emily Bolam.