This official textbook for the Hangul Proficiency Test Level 4 is perfect for language learning. - Title: Hangul Proficiency Test Official Textbook Level 4 - Author: Hangul Proficiency Test Association - Language: Japanese, Korean - Price: 2200 yen (excluding tax) - Genre: Language/Study Guide - Edition: Official Textbook I bought this used. It's my second copy. There are some notes from the previous owner, but there are no check marks in the answers, so I don't think it will interfere with your studies. I hope someone will take good care of this, the third owner.