...So I saw a person reading Middlesex by Jeffrey Eugenides on the train and I just had to talk to them about the book (something I've never done before). If you haven't done something like this already, it might make a good You Tell Me (i.e. what book would make you talk to a stranger). I don't think it's always necessarily your favourite book, but one that you may have read recently or that is largely unread by your circle of friends and acquaintances.
Is there a book you're so passionate about that you'd strike up a conversation with someone you saw reading it?