Iris Oxtabee, who has Nonverbal Learning Disability, decides to prove love is simply chemistry by getting popular, newly-single Theo Grant to ask her to prom--complicating her friendship with Seth.

Iris Oxtabee has managed to navigate the tricky world of unspoken social interactions by reading everything from neuroscience journals to Wikipedia articles. Love, for example, is just chemistry. Her best friend Seth, however, believes love is one of life's beautiful and chaotic mysteries, without need for explanation. Determined to prove love is really nothing more than hormones and external stimuli, Iris decides to get popular Theo Grant, who doesn't even know she exists, to ask her to prom. Which is just two weeks away. Will proving herself correct cause Iris's friendship with Seth to become the failed experiment? -- adapted from jacket