In particular, the novel explores the themes common to young adult fiction, such as adult authority and the transition from childhood to maturity, as well as such broader motifs as the place of violence and social structures within a post-apocalyptic society.
Fikcia pre mládež má spoločné témy ako je autorita dospelých a prechod z detstva do dospelosti, rovnako ako motívy násilia a sociálnych štruktúr v post-apokalyptickej spoločnosti.