Essential English Grammar, Student Book with Answer Key (comprehensive reference for intermediate and advanced students)Jennifer Wilkin, Eung-cheon Hah, David Charlton · First published 2010Open the Tome
Famous Korean Folktales 1, People (Bilingual, English & Korean)Ken Methold;Eung-Cheon Hah · First published 2007Open the Tome
Famous Korean Folktales 2, Animals (Bilingual, English & Korean)Ken Methold;Eung-Cheon Hah · First published 2007Open the Tome
