In Book 3 of the Dragonslayer series, Astrid accepts her duty and follows the winter route--until she's bitten by a dragon. Everyone knows dragon bites are poisonous and deadly, so she reluctantly accepts her impending death. In a twist of fate, she survives. Desperate for an explanation, Astrid believes she has somehow been protected by the black stone she keeps with her at all times, a stone that emerged from the sole of her foot a year ago. Determined...