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A comment on What Is the Most Valuable Thing You Can Learn in One Hour?. Parent comment

Re:What Is the Most Valuable Thing You Can Learn in One Hour? by thomk on Tuesday December 31, 2019 @10:40AM (#21921685)
The book was released today but you can still buy a used copy on Amazon. Were those pre-releases or something? Odd.
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Re:What Is the Most Valuable Thing You Can Learn in One Hour? by happycube on Tuesday December 31, 2019 @11:42AM (#21922334)
ARC's aren't supposed to be listed... I'm not sure how many causal sellers that stops though.
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