Sejong Korean Teacher's Guide 세종한국어 교사용 지도서 Vol. 3 . Author: 국립국어원 National Institute of Korean Language Publisher: 공앤박 Kong & Park (2022) . ! There are ink marks of us and publishers/distributors on the top edge or bottom edge of all the books we sell. This is to check the authenticity of the book and track its distribution path. This is common for Korean bookstores. ! The cover of the book can be changed without notice.
