Yaa Gyasi Discusses Debut Novel 'Homegoing'

Yaa Gyasi's debut novel, "Homegoing," sold for at least $1 million and was informed by her own journey as a Ghanaian-American. The book follows the descendants of two black half-sisters: one married to a British officer, the other sold into slavery in the U.S. Photo: Gabriela Hasbun for The Wall Street Journal