Gen has lived his whole life in a society ruled by order and obedience. Now he and his friend Duff want to make a break for freedom. But do they dare enter the forbidden tunnels . . . and defy the Guardian who controls their entire world?โIt was a beast of nightmarish size. Its skin glimmered slightly in the half-light, like the scales of a fish. Its feet were hidden in a pit. Enormous wings were folded back against the massive body. โRun now!โ an inner voice urged Gen, โbefore it turns to see you.โ โ