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.