The Devil's Engine: Hellwalkers: (Book 3)

The final book in an explosive trilogy about the secret battle for control of an all-powerful ancient machine which can grant you anything you wish for, in exchange for the price of your soul

In the third and final book of Alexander Gordon Smith's Devil's Engine series, Marlow and Pan are in hell. Literally in hell. Faced with the awful truth of being trapped in the underworld for an eternity—of Pan being trapped—Marlow makes a final deal with the Devil, a deal to go home. But he should have...