Riku Onda, born in 1964, is the professional name of Nanae Kumagai. She has been writing fiction since 1991 and has won the Yoshikawa Eiji Prize for New Writers, the Japan Booksellers' Award, the Mystery Writers of Japan Award for Best Novel for The Aosawa Murders, the Yamamoto Shūgorō Prize, and the Naoki Prize. Her work has been adapted for film and television. The Aosawa Murders was her first crime novel and the first time she was translated into English. It was selected by The New York Times as a Notable Book of 2020.
Her second novel available in English, Fish Swimming in Dappled Sunlight, will be released in the summer of 2022.
