Maggot Moon by Sally Gardner has won the Costa Children's Book award. Other category winners are:
Costa Novel Award: Hilary Mantel - Bring up the Bodies
Costa First Novel Award: Francesca Segal - The Innocents
Costa Biography Award: Mary Talbot and Bryan Talbot - Dotter of Her Father's Eyes
Costa Poetry Award: Kathleen Jamie - The Overhaul.
The winner of the Costa Book of the Year will be announced on 29th January.