Things I Should Have Known is a coming of age story featuring two sister. Chloe is a popular teen whose older sister, Ivy, is on the autism spectrum. Ivy is lonely and Chloe decides what Ivy needs is a boyfriend. Ethan, a very nice kid in Ivy’s special needs class, is the perfect match.
Problems arise with Ethan’s brother, David, who Chloe thinks is a real jerk.
Things are complicated by Ivy and Ethan not being comfortable going out on their own, resulting in both Chloe and David having to tag along on to movies and frozen-yogurt shops.

This is an enjoyable YA romance that authentically portrays autistic teens and their families.