““When Sarah finally got pregnant, she was determined to be ruthlessly positive about it. She would not jinx her twins by complaining about minor inconveniences. No, she would remain sunny. She read all the feel-good books she could find on pregnancy and child-rearing, blocking out dark thoughts by force of will. But as the days wore on and her nausea went from bad to worse, one book kept bobbing up in Sarah’s consciousness: Rosemary’s Baby, Ira Levin’s tale about Satan’s mother. Rosemary had had morning sickness too, right? 47””