Status Update

JD Shaffer is 12% done

Such clear and simple explanations! This book deserves a reprint it's so good!

— Oct 24, 2021 07:47PM

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JD Shaffer’s Previous Updates

JD Shaffer is 72% done

Still great after all these years!

— Sep 21, 2022 02:02AM

JD Shaffer is 42% done

— Sep 20, 2022 12:38AM

JD Shaffer is 40% done

— Sep 19, 2022 10:58PM

JD Shaffer is 36% done

— Sep 19, 2022 09:54PM

JD Shaffer is 28% done

— Sep 19, 2022 08:18PM

JD Shaffer is 22% done

Still a great book after all these years...

— Sep 19, 2022 06:36PM

JD Shaffer is starting

Restarting this book for a thorough read. Last time I read it was back in high school, c. 1992.

— Sep 19, 2022 02:16AM

JD Shaffer is 36% done

— Oct 26, 2021 12:51AM

JD Shaffer is 31% done

Such excellent and clear explanations!

— Oct 25, 2021 05:13AM

JD Shaffer is 7% done

So very, very clearly written! Still wonderful after all these years! (I first read this back in 1992.)

— Oct 24, 2021 04:52AM

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