I'm immersed in final editing of my next book, Eldercide, and on this go-round, I realize I may have overused italics to emphasize significant bits of interior monologue. A random example: "You must be the nurse from Compassionate Care. Come on in." I will if you get your beer belly out of the doorway, Claire wanted to say. This one doesn't need italics, probably, but there are other passages th…