A 10-year-old girl, Louisa, and her father take a walk on breakwater in Japan, where her family is living. Louisa is later found on a beach – her father has disappeared. She and her mother are left on their own – but the tragedy doesn't bring them closer together, at least for a long time. Susan Choi's new novel Flashlight follows this family across generations and a vast historical expanse. In today's episode, Choi speaks with NPR's Scott Simon about why her protagonist fends off love, her interest in the historical tensions between Korea and Japan, and the benefit of writing in chronological order.

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