The books behind Seneca Commons
James Greathouse's own work, plus the reading that shaped the Sentinel framework — structural-demographic theory, Stoic philosophy, and practical resilience.
Sentinel's five indicators of popular immiseration, and its Sentinel Network protocol, come directly from these.
The structural-demographic checklist Sentinel tracks live: wage-productivity decoupling, deaths of despair, declining life expectancy, youth precarity, state fiscal distress. Also the source of the Sentinel Network household emergency-radio protocol.
→ 2026 UpdateThe underlying thesis: how societies move from stress to rupture, and what separates resilience from collapse.
Not for sale here, not affiliate links — just the books that shaped this project's thinking.
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Letters from a Stoic
Stoic philosophy as a practice for facing setbacks without illusion — the temperament Sentinel asks of its reader.
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Meditations
A working emperor's private notes on duty, mortality, and self-command.
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The Annals & The Histories
The collapse of Roman political legitimacy, recorded by someone who watched it happen.
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The Fourth Turning Is Here
The generational-cycle theory behind Sentinel's Macro PSI framing — elite overproduction, state fiscal capacity, and the structural math of rupture.
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The Knowledge: How to Rebuild Our World from Scratch
What it actually takes to rebuild a technological civilization from first principles, if it ever came to that.
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SAS Survival Handbook, Third Edition
Practical survival skills from a 26-year SAS chief survival instructor — campcraft, navigation, first aid, disaster response.
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Where There Is No Doctor
The world's most widely used village health care handbook — what to do when professional medical care isn't reachable.