On January 1, 2018, my friend Chad and I decided to start a Facebook reading group. It wasn’t supposed to be a “book club” in which we all read the same book and discussed it (or, more to the point of most book clubs, where some of us read the same book and we all got together over wine and sort of discussed it). No, this was just a “share what you’re reading and what you think about it” kind of group. Or an “I need a book to listen to right now—what should I get?” kind of group. All kinds of re...