Seon An-na was born and raised in Ulju County of Ulsan City. She became a writer in 1990 after receiving the Saebeot Literary Award. In 1991, she won an annual spring literary contest held by the Korean newspaper, Dong-a Ilbo. Since then, she has published several other children’s books, picture books, and essays in criticism. Seon is the recipient of the Korean Children’s Book Award, the Sejong Children’s Literature Award, and the Korean Children’s Literature Award.