Michelle Harrison is a full-time writer. She is a former bookseller and editorial assistant. Originally from Grays in Essex, she has a degree in illustration, and lives in Oxfordshire with her partner. Her debut novel THE THIRTEEN TREASURES won the Waterstones Children's Book Prize in 2009. She has since published two sequels, THE THIRTEEN CURSES and THE THIRTEEN SECRETS, as well as her teen novel UNREST.