Natsuo Kirino, born in 1951, is the author of sixteen novels, four short-story collections, and an essay collection. She is the recipient of six of Japan's premier literary awards, including the Mystery Writers of Japan Award for "Out," the Izumi Kyoka Prize for Literature for "Grotesque," and the Naoki Prize for "Soft Cheeks," Her work has been published in nineteen languages worldwide; several of her books have also been turned into movies. "Out "was the first of her novels to appear in English and was nominated for an Edgar Award. She lives in Tokyo.