NPR looked at the popular sub-set of publishing that revolves around Amish romances (usually written by and read by non-Amish women). Why are these “bonnet rippers” so popular? “It's hard to miss the fact that romance without sex isn't limited to Amish fiction, or to Christian fiction. There might seem to be a world of difference between Christian romances and vampire romances, but it's hard not to see a certain parallel between the chaste fiction Gray writes and the wildly popular Twilight, in which there are also — at least in the first couple of books — strict restraints on the amount of sex, and where those restraints and the characters' struggles with them seem to have something to do with the appeal.”