The books that are similar to “Perfect Chemistry” are “Rules of Attraction" by Simone Elkeles , "Along for the Ride" by Sarah Dessen and "Waiting for You" by Susane Colasanti. Elkeles is also the author of "Perfect Chemistry."
Also included are “Numbers” by Rachel Ward and “Romiette and Julio” by Sharon Draper. The latter is a story of two soul mates from different ethnic backgrounds and the opposition their budding relationship faces from a local gang. “Numbers” is about a teen who is capable of telling the exact date of someone’s death after looking at him. The female protagonist, despite her stance against dating and relationships, gets more involved than anticipated with a boy she meets.