The Dragon's Eye: Dragon's Pain (Book 1)

Airria, a talented young rogue was forced to watch a dragon kill his father. In his quest to track down and kill this creature, he is joined by his mercenary cousin, a beautiful slave girl, and an unlikely young mage.
Together the group is being pursued by the slaver, bent on reclaiming his property, and the Order of the Black Claw, the most ruthless and dangerous of orders. Through this order they are being watched by the Eye of the Dragon.