In Philip Reeve’s steampunk book series Mortal Engines, World War III has happened, and what is left of humanity roam the post-apocalyptic wasteland in cities on wheels, fighting the elements and consuming each other for survival. Now adapted into a movie of the same name, the story follows the adventures of Tom Natsworthy (Robert Sheehan), a boy from London, and Hester Shaw (Hera Hilmar), a mysterious…