Still, he couldn't stay there forever. The longer he delayed the more likely it was he would be discovered. He would never get this chance again. Hooking one arm around the frame of the shelf he leaned out to undo the first clip on the naphtha piping. “Finn! What are you doing?” He'd thought it possible that Ciara and Aelth would come and find him. But to his surprise, someone else stood in the shadows at the foot of the bookcase, calling up to him. “Maeve? What are you doing here?” “That's what I'm asking you.” “I'm showing everyone how to destroy Engn, of course.” “You can't, Finn.” “I can. It's easy. You don't need to introduce a flaw in some vital diagram. You don't have to do anything so clever. The answer was here all along.” “Come down, Finn,” said Maeve. “This isn't the way

