The lost city lies beyond a locked gateway. But the key is not what it seems... Now a map-maker extraordinaire, Finch must find the place Erebus so desperately seeks--although the "how" and "why" remain unclear. And a certain vengeful Necromancer is bent on beating Erebus to the punch, and he'd be more than happy to make Finch collateral damage. With his friends' lives on the line, Finch will fall back on his old trickster ways to get his hands on...