Jill Paton Walsh was educated at St Michael's Convent, North Finchley, and at St Anne's College, Oxford. She is the author of several highly praised adult novels: Lapsing, A School For Lovers, Knowledge of Angels, which was shortlisted for the 1994 Booker Prize, Goldengrove Unleaving, The Serpentine Cave and A Desert in Bohemia.

She has also won many awards for her children's literature, including the Whitbread Prize, the Universe Prize and the Smarties Award. She has three children and lives in Cambridge.

Alan Marks began his career illustrating for magazines and newspapers. His first children's book Storm, written by Kevin Crossley Holland, won the Carnegie Medal. Alan now illustrates a wide variety of subjects, from nursery rhymes to war poetry. He is the illustrator of the Boston Globe-Horn Book Award Honor Book A Mother’s Journey, Behold the Beautiful Dung Beetle, Planet Zoo, The Spirit of the Forest, and more. Alan lives in an old house in the Kent countryside with his wife and two daughters.