Ravaged by the Change, an island nation in a time very like our own has built the Wall--an enormous concrete barrier around its entire coastline. Joseph Kavanagh, a new Defender, has one task: to protect his section of the Wall from the Others, the desperate souls who are trapped amid the rising seas outside and are a constant threat. Failure will result in death or a fate perhaps worse: being put to sea and made an Other himself. Beset by cold,...