Padraig Kenny is an Irish writer from County Kildare, now living in Limerick. Previously an arts journalist, a teacher and a librarian's assistant, he now writes full-time. His first novel TIN was a Waterstones Book of the Month and was nominated for the Carnegie, as well as being shortlisted for the Irish Book Award and several regional awards. He is married with four children. The Monsters of Rookhaven is his first novel with Macmillan Children's Books.

Edward Bettison is a graphic designer and illustrator, born in Hull. After studying Graphic Design at Nottingham Trent University, he moved to London to work in the music industry and then on to publishing. He is known for the intricate detail in his original works, authenticity of vision and bold imagery. He lives in Brighton with his partner Susannah and his 12 year old son Kip.