How to Seize a Dragon's Jewel

In exile, and hunted by dragons and humans alike, can Hiccup the Viking find the dragon's jewel and save the world from destruction? The Dragon Rebellion has begun, bringing the Vikings' darkest hour upon them. Hiccup has become an outcast, but that won't stop him from going on the most harrowing and important quest of his life. He must find the Dragon's Jewel. Book #10