Katherine Halligan grew up near the beach in southern California. After studying arts, humanities and languages at Duke University, she moved to the UK and earned an MA in Latin American Literature and Culture from the University of London. She honed her writing skills while working as a publisher, writing over 100 books for children. She lives - once again - near the beach in southern California, with her Irish husband and their two daughters.

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.