Using Korean : a guide to contemporary usage
Choo, Miho and Kwak, Hye-Young, 2008.
A book for those who already have some knowledge of Korean who would like to further investigate grammar and vocabulary structures and work towards becoming more native in their use of Korean.
Divided into three sections: Style and usage, Vocabulary and Grammar, each section containing useful conversational techniques and language structures to increase a more expressive use of the language.
KOR VOCAB 1 Open access