Sirŏp kŭbyŏ chedo yesang ŭi chendŏ punsŏkHye-ran Kim, Ŭn-ha Kim, Ŭn-gyŏng Pae, Ch'an-suk Hong · First published 2009Open the Tome
Ch'ungbuk taem chubyŏn saŏp ŭi sŏngbyŏl yŏnghyang p'yŏngkaHye-ran Kim · First published 2008Open the Tome