Antony Johnston and Christopher Mitten's sci-fi western epic continues! Michael and Abi have resumed their search for A-Ree-Yass-I, leaving thecity's troubles behind them. But before they can cross the wasteland they mustface the Dog Tribes -- bands of nomads who live and die with hounds bytheir side. As two tribes go to war, Michael and Abi are caught in the middle!But help can come from the most unlikely of places.