Sina Ilbo chʻangŏpchu Ogang Chang Ki-bong sŏnsaeng munjipOgang Chang Ki-bong Sŏnsaeng Munjip Kanghaeng Wiwŏnhoe · First published 2005Open the Tome
Tu kae ŭi p'urŭn kusŭlHyŏng-ŭn Kim, Ki-bong Chang, Chung-dŏk Chŏng, In-myŏng Kim, Hyŏng-guk An, Yŏng-gap Pak, Yi, Yŏng-nim (Illustrator), Chŏng, Kwang-su (Illustrator) · First published 1998Open the Tome
