Books like Wildwood Imperium

A young girl's midnight séance awakens a long-slumbering malevolent spirit...A band of runaway orphans allies with an underground collective of saboteurs and plans a daring rescue of their friends, imprisoned in the belly of an industrial wasteland...Two old friends draw closer to their goal of bringing together a pair of exiled toy makers in order to reanimate a mechanical boy prince...As the fate of Wildwood hangs in the balance.