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Kathy’s Reviews > The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon > Status Update

Kathy
Kathy is 39% done
— May 21, 2026 03:11PM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon

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Kathy
Kathy is 12% done
— May 14, 2026 06:45PM
The Substance of Civilization: Materials and Human History from the Stone Age to the Age of Silicon


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