The third thrilling book in the award-winning MORTAL ENGINES quartet.

In a world removed from the huge motorized cities of MORTAL ENGINES,
Wren is desperate to escape the static city of Anchorage, and
a charming submarine pirate is ready to help her. But when she steals
a mysterious object, she ignites a conflict that could tear
the world apart.

MORTAL ENGINES launched Philip Reeve's brilliantly-imagined creation,
the world of the Traction Era, where mobile cities fight for
survival in a post-apocalyptic future. Now, in time for the film
debut, the critically acclaimed MORTAL ENGINES quartet is repackaged
with a fantastic and eye-catching cover featuring new artwork.