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Content snapshot
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Violence
Some
Combat action; thriller violence; dangerous missions
Language
Barely any
Mild language
Sexual Content
None
No sexual content
Substance Use
None
No substance use
Emotional Intensity
Some
Themes of science weaponized for harm, covert government operations, and the cost of service
What this book is about
An omnibus collecting the opening novels of James Rollins' Sigma Force series, featuring commander Gray Pierce and his team of former Special Forces soldiers turned covert scientists. Action-thriller content throughout. For older teens and adults.
Notes for sensitive readers
Reader-flagged moments and themes that may affect your experience.
Action violence
Reader Verification
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