Ronda Armitage trained as a primary school teacher but has been writing children's books for nearly thirty years. She is best known for the Lighthouse Keeper series, illustrated by her husband David Armitage. Originally from New Zealand, Ronda now lives in East Sussex.

Holly Swain is best known for Wanted! Have You Seen this Alligator?, which won the Stockport Book Award. This is her second book for Puffin, following There's No Such Thing as a Ghostie, written by Cressida Cowell. Holly lives in Brighton, Sussex.