Tyrion curled up in his fur with his back against the trunk, took a sip of the wine, and began to read about the properties of dragonbone. Dragonbone is black because of its high iron content, the book told him. It is strong as steel, yet lighter and far more flexible, and of course utterly impervious to fire. Dragonbone bows are greatly prized by the Dothraki, and small wonder. An archer so armed can outrange any wooden bow.
