Nam Sangsun was born in Mungyeong, Gyeongsangbuk-do, and graduated from Dongduk Women’s University with an undergraduate degree in Korean language and literature. She received a graduate degree in creative writing from Korea University. In 1992, Nam’s short story, A Miracle Sound beyond the Mountain, was selected and published by Munhwa Ilbo (Culture Daily), which started her writing career. In 1993, Nam received the Today’s Author Award for her novel Finding the White Snake. Nam focuses on young adult books with the hope that today’s youth will reclaim their identity. 

Nam has written the novels What We Can Say about the Camellias, Hope Line, and A Photograph without a Mailman, and the young adult books A Rabbit Jumps Out of a Radio, Passing to Be a Human Deadline, I Am My Father’s Relative, Dialect Ghost, Kiss Jail, and Husky Voice.