The Great Network is an ancient interstellar web of routes and gates, where sentient trains can take you anywhere in the galaxy in the blink of an eye. But the Network is also a hazardous mess of twists and turns. In a universe so vast and complex, nothing is as it seems, and danger always lies just around the bend. From the creative mind of award-winning author Philip Reeve comes a stunning new sci-fi adventure guaranteed to be a heart-pounding ride. Step aboard, the universe is waiting.