Emily Gravett is the two-time winner of the Kate Greenaway Medal for Wolves and Little Mouse\'s Big Book of Fears .
She has illustrated bestselling fiction, including Matt Haig\'s Evie and the Animals and a recent full-color edition of Quidditch Through the Ages ..
Her internationally award-winning picture books include Meerkat Mail , Tidy , and Old Hat .
Emily Gravett is the two-time winner of the Kate Greenaway Medal for Wolves and Little Mouse\'s Big Book of Fears