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A new science fiction adventure from this award-winning author of great junior fiction. A futuristic story of a post-apocalyptic world where the city has been abandoned by everyone but the street children, and anarchy and collapsing buildings are the norm. Police dogs attempt to keep order, but it is a thankless task. So when Admiral Benbow, the best dog in town, is wounded and loses a leg, the authorities clone three more versions of him. Now he must attempt to train his duplicates, while searching for three particularly special children lost amongst the scores of shy and belligerent runaways who swarm in the ruins.