Big Red Logic Book, no. 1 — a year on

It is exactly a year ago that the self-published version of An Introduction to Gödel’s Theorems was published as a paperback. It has sold over seven hundred copies in that time, and the monthly trend is slowly upwards. That’s three times as many copies as the CUP paperback was selling: but then, this print-on-demand version is a third of the cost! Still, the figure strikes me as surprisingly high, given that the PDF has also been freely available at the same time as the new paperback. I guess that quite a few people, like me, prefer to work from a physical book, if one is available at a modest price. As far as downloads go, AWStats currently reports about five hundred a month — though who knows exactly what these download  stats really mean. And they can be volatile, month by month, though average numbers do stay pretty steady. Anyway, I count that as overall a happy success!

Who knows if I will ever get round to a third edition. There’s tidying to be done, and I’d quite like to add a bit more around and about the Second Theorem. It would be fun to catch up with some reading and re-reading and re-thinking. But I don’t cringe when I occasionally have occasion to glance at the book: so I’m not yet feeling an urgent push to getting back to revising it right now.

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