Olivia Lomenech Gill has a first-class degree in Theatre from the University of Hull and an MA in Printmaking from Camberwell College of Arts, and has built her career as a professional fine artist. Olivia's first professional illustration commission, Where My Wellies Take Me, written by Michael and Clare Morpurgo, was shortlisted for the CILIP Kate Greenaway Medal and won the English Association Picture Book Award. She is also the illustrator of Fantastic Beasts and Where to Find Them by J.K. Rowling. Olivia lives and works in Northern France with her husband, a paper conservator.

Emily Gravett is an award-winning children's author and illustrator who lives in Brighton, England.

She is the winner of the Kate Greenaway Medal for Wolves and Little Mouse's Big Book of Fears.

Lisbeth Zwerger has been accorded nearly every prize that can be given, including the highest international award for lifetime achievement, the Hans Christian Andersen Medal.

Since 1981 she has devoted her extraordinary talents to children's literature, to stories as charming and picturesque as her native Vienna.

Always surprising, always engaging, her artwork combines technical mastery with an insight and gentleness so rare and captivating that she has been correctly called one of the finest illustrators of the twentieth century.