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Content snapshot
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Violence
A lot
Action combat in the Congo; deaths from pathogen; Sigma Force operations
Language
Some
Moderate profanity
Sexual Content
Barely any
Brief sexual content
Substance Use
Barely any
Moderate alcohol use
Emotional Intensity
A lot
Pathogen that destroys human intelligence creates profound existential horror
What this book is about
The 16th Sigma Force novel by James Rollins (2022) in which a mysterious illness in the Congo is robbing victims of their higher brain functions — reducing humans to a primal state. Gray Pierce and Sigma Force must race to the heart of Africa to find the source before the pathogen spreads globally. Features themes of de-evolution and ancient biological threats.
Notes for sensitive readers
Reader-flagged moments and themes that may affect your experience.
Mass pathogen threat
Action and combat violence
De-evolution themes
Reader Verification
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