*Half-price sale on my book, The Modern Period: Menstruation in Twentieth-Century America! Ask someone to talk about her experiences with menstruation for a couple of hours, and she will usually laugh: “What on earth would I have to say for that long, on that subject?” And then, as it turns out, she will tell story after story. In researching The Modern Period, I interviewed 75 diverse American women and men, old and young, about the role this relatively mundane bodily event