Sophie Kinsella is an international bestselling writer. She is the author of many number one bestsellers, including the hugely popular Shopaholic series. She has also written seven bestselling novels as Madeleine Wickham and several books for children. She lives in the UK with her husband and family.

Marta Kissi is a London based illustrator who was born in Warsaw. She studied BA Illustration & Animation at Kingston University and MA Communication Art & Design at the Royal College of Art.