Read many children's books. It may be of use, just because of the farness of the language from English and of the effort you will need to expend to learn anyth

Read many children's books. It may be of use, just because of the farness of the language from English and of the effort you will need to expend to learn anything, to get formal schooling, and to use formal textbooks. Yonsei University's materials are best in both these cases, with Seoul National close behind.