Auslander by Paul Dowswell (Bloomsbury)
The Graveyard Book by Neil Gaiman (Bloomsbury)
Ostrich Boys by Keith Gray (Definitions)
The Ant Colony by Jenny Valentine (HarperCollins)
The Vanishing of Katharina Linden by Helen Grant (Puffin) (review)
The Ask and the Answer by Patrick Ness (Walker)
The winner will be announced on 18 November. Read more about the shortlisted books and the prize on the Booktrust website.