Vivian French is a highly acclaimed children's author who has written more than 250 books during the course of her career, including Caterpillar, Butterfly, The Tales from the Five Kingdoms series and Yucky Worms.

Her recent work includes the critically acclaimed picture book The Most Wonderful Thing in the World and junior fiction The Adventures of Alfie Onion, The Cherry Pie Princess and The Witches' Midnight Feast.

Vivian teaches on the illustration course at Edinburgh School of Art, and helped to found the mentoring scheme Picture Hooks for aspiring young illustrators. She lives in Edinburgh

Guy Parker-Rees exuberant and energetic illustrations have made him a household name and one of today's bestselling children's illustrators.

Notable successes include Giraffes Can't Dance written by Giles Andreae, a worldwide besteller, and Richard & Judy children's book choice, Spookyrumpus, winner of the Sheffield, Dundee and Portsmouth book awards, and the highly acclaimed All Afloat on Noah's Boat. Guy lives in Brighton with his wife and three sons.