The Battle For Roar by Jenny McLachlan

To pre-order, available from August.
 
The final book in the epic and bestselling children's fantasy series that will make you believe in magic … Perfect for fans of Cressida Cowell's How to Train Your Dragon, Michelle Harrison's A Pinch of Magic, as well as classic children's fantasy adventures, Narnia and Jumanji. Rose and Arthur are back in Roar, on a voyage that takes them further than they've ever been before: beyond The End. It's an amazing adventure – full of secrets, surprises and fairies with fangs – but then a mysterious storm changes everything. Shipwrecked on a strange island, they make a shocking discovery… Could this be the end of Roar?
 
Ages 8-12+.