Wiley is such trash. In college in engineering the prof would assign us workbook problems from the book. I did all of them to stay practiced (and did well in the classes!). Lots of people expressed interest in my answers so they could use them to study. I gave them away, then started selling the answers only, which weren’t provided in the course books, online.

Wiley threatened to sue me for copyright infringement. As a college student the threat of a lawsuit really rattled me, so I paid them a bunch of money to settle it.

How are you as a giant company going to threaten to sue a college student for copyright infringement for something derivative of your books?? To this day I have a strong, visceral negative reaction to Wiley and at least twice in my professional life have dissuaded orgs I’ve worked for from having anything to do with Wiley, so hopefully cost them at least as much as they cost me monetarily.