The brilliant conclusion to the breath-taking adventures that began with Mortal Engines...

As the fragile truce between the Green Storm and the Traction Cities splinters and hostility breaks out again, events are set on a collision course. Not only will the fate of Tom, Hester and Wren be decided – the future of the human race itself hangs in the balance. Who will emerge victorious – the Green Storm, or the ancient moving cities?