Jenny Quintana grew up in Essex and Berkshire, before studying English Literature in London. She has taught in London, Seville and Athens and has also written books for teaching English as a foreign language. She is a graduate of the Curtis Brown Creative writing course. She now lives with her family in Berkshire. The Missing Girl is her first novel.

Naomi Simmons was named by The Times as one of the top ten authors of the decade. She is a bestselling author of books for children, parents and teachers on language learning and speech development and is most known for the Family and Friends series (OUP).