diff --git a/README.md b/README.md
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@@ -3,3 +3,12 @@ Please see
 https://discourse.codinghorror.com/t/updating-101-basic-computer-games-for-2021/7927
 
 for details on this repo
+
+I have moved all the original BASIC source code into a folder for each project in the original book (first volume).
+
+http://www.vintage-basic.net/games.html
+
+Note that Lyle Kopnicky has normalized all the code (thanks Lyle!) to run against [Vintage Basic](http://www.vintage-basic.net/download.html):
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+> I've included all the games here for your tinkering pleasure. I've tested and tweaked each one of them to make sure they'll run with Vintage BASIC, though you may see a few oddities. That's part of the fun of playing with BASIC: it never works quite the same on two machines. The games will play better if you keep CAPS LOCK on, as they were designed to be used with capital-letter input.
+