Fourteen years after its first draft, The Evolution of My Brother appears at the center of Jenny Zhang’s much-anticipated debut fiction collection, Sour Heart, a series of seven stories largely composed during her time at Iowa that explore the narratives of the daughters of Chinese immigrants coming of age in New York circa the ’90s. Sour Heart is the first release by Lena Dunham’s Lenny imprint. The stories in Sour Heart have their roots in Zhang’s own biography. Born in Shanghai in 1983, Zhang moved to New York when she was about to start kindergarten. Zhang is also the author Hags and Dear Jenny, We Are All Find. She holds degrees from Stanford University and the Iowa Writers’ Workshop, where she was awarded a Teaching-Writing Fellowship and a Provost Fellowship.