A Vanishing of Griffins by S.A. Patrick
For fans of How to Train Your Dragon and The Hobbit the sizzling, magical fantasy adventure that began with A Darkness of Dragons continues... Brave friends Patch, Wren and Barver are no strangers to danger. They take peril in their stride as they seek out their deadly foe - the evil Piper of Hamelyn. But trying to stop his quest for power may end in a battle that will tear the three young heroes' world apart. It has "All the ingredients of a perfect fantasy adventure." Kieran Larwood, author of The Legend of Podkin One-ear