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Content snapshot
Flag an inaccuracy →What's in this book, at a glance — five things readers want to know before they start.
Violence
Some
Alien and government violence escalates; intense ending
Language
Some
Contemporary YA language
Sexual Content
Some
Romantic relationship is established; physical moments
Substance Use
None
No substance use
Emotional Intensity
A lot
Trust and betrayal; the psychological cost of the cliffhanger ending
What this book is about
Katy and Daemon's relationship is now undeniable. But saving a kidnapped friend requires teaming up with Blake—a DOD asset Katy has every reason to distrust. Opal ends on a devastating cliffhanger that is among the most discussed in the series' fandom.
Notes for sensitive readers
Reader-flagged moments and themes that may affect your experience.
Major cliffhanger ending
Betrayal themes—trust in the wrong person
Reader Verification
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