Tess Gunty’s The Rabbit Hutch, a sweeping debut novel set in a low-income housing community in Indiana, has won the National Book Award for fiction. The 30-year-old Gunty was among three writers nominated for their first published books. The nonfiction prize went to Imani Perry’s South to America, and Sabaa Tahir’s All My Rage won for young people’s literature. In poetry, John Keene was cited for Punks: New and Selected Poems, while Argentinian author Samanta Schweblin and translator Megan McDowell won for best work in translation for Seven Empty Houses. Winners on Wednesday night each received $10,000. In her acceptance...