From the acclaimed author ofHurricane Season,an unforgettable story about what makes a family,for fans ofHazel's Theory of EvolutionandIvy Aberdeen's Letter to the World. Eleven-year-old Joey is angry. All the time. And she doesn't understand why. She has two loving moms, a supportive older half brother, and,as a triplet,she'snever without company. Her life is good. But sometimes she loses her temper and lashes out, like the time she threw a soccer ball-hard-at a boy in gym class and bruised his collarbone.Or when jealousy made her push her (former) best friend (and crush), Layla, a little bit too roughly. After a meltdown at Joey's apartment building leads to her family's eviction, Joey is desperate to figure out why she's so mad.Anew unit in science classmakesher wonder if the reason is genetics.Does she lose control becauseof something she inherited from thedonor hermotherschose?The Science of Being Angryis a heartwarming story about what makes a familyand what makes us who we are from an author whose works are highly praised for their presentation of and insights into the emotional lives of tweens.