The Measure of the Magic: Legends of Shannara (Pre-Shannara: Legends of Shannara)NEW YORK TIMES BESTSELLER For five hundred years, the survivors of the Great Wars lived peacefully in a valley sanctuary shielded by powerful magic from the dangerous outside world. But the enchanted barriers have crumbled, and the threat of annihilation looms large once more. As he lay dying, Sider Ament, bearer of the last black staff and protector of the valley, gave stewardship of the powerful talisman to the young Tracker Panterra Qu. Now the