(W) Antony Johnston (A) Christopher J. Mitten The sci-fi western epic continues! Michael and Abi have resumed their search for A-Ree-Yass-I, leaving the city's troubles behind them. But before they can cross the wasteland they must face the Dog Tribes - bands of nomads who live and die with hounds by their side. As two tribes go to war, Michael and Abi are caught in the middle!