The Illustrator: This is Matilda Harrison's first picture book for Bloomsbury. She is half-British and half-Australian, and currently lives in North London.

Her other illustrative work is primarily editorial; she works for Vogue, The Independent, Elle, The Economist, The Telegraph and The Times.

Charles Santore is a renowned, New York Times bestselling children's book illustrator whose work has been widely exhibited in museums and celebrated with recognitions such as the prestigious Hamilton King Award, the Society of Illustrators Award of Excellence, and the Original Art 2000 Gold Medal from the Society of Illustrators.

Santore is best known for his luminous interpretations of classic children's stories such as The Night Before Christmas, The Little Mermaid and Henry Wadsworth Longfellow's Paul Revere's Ride, which was named 2004 Children's Book of the Year for Poetry by the Bank Street College Children's Book Committee.

His illustrations for The Wizard of Oz, which is widely considered to be the quintessential illustrated version, were used as the scenic backdrops for a major television performance of the work. More than 6 million copies of his books have been purchased. Charles Santore lives and works in Philadelphia.