How to Seize a Dragon's Jewel (2009)
How to Seize a Dragon's Jewel is a 2009 child and youth fiction book written by Cressida Cowell.
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