Moon Calvin K.S Moon is currently working as a research director at the Asia Association of English Education, Incorporated and has been developing Solutions and Contents for Efficient Way of studying English Under EFL(English as a Foreign Language)environment. So far, He and his team has developed more than 1,000 e-book contents for learning English and he himself has written and translated many English textbooks including
1. Overview of Unhyeongung
2. The buildings of Unhyeongung Palace