Sally Lloyd-Jones is the author of several books for children, including the New York Times bestselling How to Be a Baby...by Me, the Big Sister, illustrated by Sue Heap, and The Ultimate Guide to Grandmas & Grandpas!, illustrated by Michael Emberley. She lives in New York City, where she writes full-time.,

Jackie Morris is celebrated both as an author and an artist (illustrator of The Lost Words (2017) and author and illustrator of The Seal Children (new edition 2012). Artist in Residence at the Hay Festival in 2017, she lives at St David's, in Wales, maintains a very lively and informative blog, and is much in demand for story and illustration sessions, and signings.