The interrobang in the title is in honor of the day and also shows both my surprise and approval that the day exists.

The guy that created it had a whole website set up for it, but the domain lapsed this year. Here's an archived version:

https://web.archive.org/web/20240306113435/https://www.nationalpunctuationday.com/

If this day appeals to you, I'd recommend reading Shady Characters: The Secret Life of Punctuation, Symbols & Other Typographical Marks. Also a reminder that bookwyrm.social exists as a federated alternative to GoodReads, and is good way to link to books instead of Amazon or what-have-you.