Based on the book description, categories, and metadata — not verified against the full text.
How our ratings work →Moderate confidence (75%) — AI estimate from description and metadata.
How strong or frequent is this content? Higher scores mean more intense content.
What is this book about? Higher scores mean the theme is more central to the plot — not a warning.
An archaeologist and his crew are trapped in the Grand Canyon as a conspiracy theory comes to life in this "taut, take-no-prisoners" survival thriller (Preston & Child). " The Anomaly crackles with claustrophobic tension that had me holding my breath. I couldn't sleep until I'd finished reading, and then I couldn't sleep just thinking about it." —Sarah Pinborough, New York Times –bestselling author of Behind Her Eyes "Rutger milks every ounce of suspense from his plot.
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