Fever Crumb is a young adult post-apocalyptic science fiction novel by Philip Reeve, published in 2009.
Fever and her mother Wavey return to the vault buried beneath the former home of Auric Godshawk.
Unknown, a person named Charley Shallow followed them, and uses a magneto gun, carried by Fever, to attack Shrike.
Fever takes the Children and escape, paddling down a river and joins a traveling group of actors, welcoming them in.
[1] Kirkus Reviews called it an "essential read for fans great entry point for newcomers to the world".
[3] The Guardian praised the "terrific read", a great prequel to the Mortal Engines Quartet, all the while crediting Philip Reeve as a fantastic author.