Additions to my list of free PDFs…

Some of you might watch my list of free PDF downloads (see the “Free Stuff & Contests” web page at this website) for additions and revisions. I don’t know how many of you take advantage of the material listed there, but there are no gimmicks, no obligations, just free gifts for my readers.

In fact, let me emphasize “free”: You pay nothing for each PDF except the few seconds it takes you to make a few clicks. However, if you want to treat these files as open-source software (that’s what they are ...