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Content snapshot
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Violence
Some
Battle sequences with deaths; darker than earlier books in the series
Language
Barely any
Mild language
Sexual Content
None
No sexual content
Substance Use
None
No substance use
Emotional Intensity
Some
Themes of sacrifice, the psychology of child soldiers, and the true cost of war
What this book is about
The Underland Chronicles comes to its harrowing conclusion as Gregor must decipher a prophecy that points to his own death while fighting in a total war between the humans and the rats. Collins doesn't flinch from the cost of war in this finale, making it more emotionally intense than most middle-grade fiction. Essential reading for fans of the series.
Notes for sensitive readers
Reader-flagged moments and themes that may affect your experience.
War and deaths
Themes of sacrifice
Emotionally intense for middle grade
Reader Verification
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