Chris Butterworth is the author of over seventy books, mostly non-fiction, and has written on subjects as diverse as disasters, hiccoughs, basketball and snakes. She has written a number of non-fiction titles for Walker, including The Things that I LOVE about TREES, illustrated by Charlotte Voake, Where Do Clothes Come From? and the winner of the American Farm Bureau's Book of the Year, Lunchbox: The Story of Your Food, both illustrated Lucia Gaggiotti. She lives in Cornwall.
Olivia Lomenech Gill is a fine artist and illustrator. She worked with Michael and Clare Morpurgo on Where My Wellies Take Me, shortlisted for the Kate Greenaway medal, illustrated the new edition of J. K. Rowling's Fantastic Beasts and Where to Find Them and, most recently, Medusa, written by Jessie Burton. Olivia lives in Brittany, France. Find her online at oliviagill.com and as @olivia_lomenech_gill on Instagram.