Title: Mortal Engines (Mortal Engines Quartet)
Description: Collects together the four books that make up the *Mortal Engines Quartet.* Namely:

 1. Mortal Engines
 2. Predator's Gold
 3. Infernal Devices
 4. A Darkling Plain
Subjects: Children's fiction, Science fiction, Steampunk
Places: London
Time periods: Post apocalyptic