#1 New York Times bestselling author Ruta Sepetys joins Zibby to discuss her latest novel, I Must Betray You. Ruta explains why she was drawn to tell Romania's under-discussed history, what she found as she began to conduct her research, and how she carries on with her daily life while writing about such heavy subjects. The two also talk about how to write good historical fiction and what Ruta is working on next.