The Silver Stone (The Iron Prince Trilogy Book 2)

It is a world both familiar and foreign. After escaping from Larsby, Edward Lao and Gwendolyn Jin are on their way to Tregren, a city built on the edge of a great desert, a scar left by the rampage of an immensely powerful monster. As the refugees get settled in their new home, they discover that the monster may have also left behind a blessing in disguise, an opportunity which could make the pair rich indeed. However, a monster of another sort has also discovered this opportunity, and he has great plans in store...