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

Amy Grimes is an illustrator based in London. Drawing inspiration from nature and the natural world, Amy's work often features bright and bold illustrated motifs, floral icons and leafy landscapes.

As well as working on commissioned illustrations, Amy also sells prints, textiles and stationery under the brand of Hello Grimes.