25. SXSW learning arriving at your front door...

At SXSW you find a horde of speakers who have written a book of one sort or another. Some of them have a book coming out, or a book on sale at the little book stand on the 4th floor, where they go and sign them after their talk. Often, though, by the time you get there the book you want is gone, or if you're travelling light there's no space in your case for anything else.

So you wait till you get home, and then you order them. And then, a week or two after SXSW finishes you get another souvenir of all the excitement. Here's mine:

Can you tell what the SXSW link to these books is? A couple I've mentioned already, a couple I haven't. Answers in the comments...