I can pinpoint exactly where I fell for the charms of Simone Elkeles’ Perfect Chemistry due to the disappearance of my “reflective” notes in the margins: Chapter eleven. Page sixty-seven. The initial sixty-seven pages were rather laborious, as my first reaction was that it was going to be another predictable American teen novel and—to an extent—it was. Boy meets girl at school. They both proclaim their hatred for one another. Boy makes a bet to woo said girl.