“Brilliant.” —The Washington Post * “Nuanced and compelling.” —The New York Times From the PEN/Hemingway Award–winning author of The Madonnas of Echo Park, an engrossing dystopian novel set in a near-future America where mandatory identification wristbands turn second-generation immigrants into second-class citizens—“a well-imagined allegory of divisive racial politics” (Kirkus Reviews).Iris Prince is starting over.After years of drifting apart, she and her husband are going through a surprisingly drama-free divorce. She’s moved to a new house in a new neighborhood, and has plans for gardening, coffee clubs, and spending more time with her nine-year-old daughter Melanie. It feels like her life is finally exactly what she wants it to be. Then, one beautiful morning, she looks outside her kitchen window—and sees that a wall has appeared in her front yard overnight.Where did it come from? What does it mean? And why does it seem to keep growing? Meanwhile, a Silicon Valley startup has laun