Themis-Athena's Garden of Books

Rolling again as long as it's still July 31 here:

... which sends me to square 17: Why? -- read a book that is non-fiction or a book with the word "why" in the title.

I still have three novelty cards in my pocket and the game is slowly drawing to a close, so I'm going to use another one of those, too; and as it happens, it will be the robot in my case as well (like for Lillelara).  Separate post to come with the result.