Mr. Penumbra's 24-Hour Bookstore A Novel

Robin Sloan2012
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After a layoff during the Great Recession sidelines his tech career, Clay Jannon takes a job at the titular bookstore in San Francisco, and soon realizes that the establishment is a facade for a strange secret. 75,000 first printing.

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Photo of Air
AirDec 17, 2025
4 stars
Fascinating
Ambitious

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