저자author 편저compile; redact 공저co-authorship 논저writing a book; the book 명저great book; classic work 원저자writer; author 저author; be authored; be written 저명being well-known; being prominent 저명인사celebrity 저술writing; book; publication

교과서textbook 도서관library 독서reading 서류document; papers 서점bookstore 엽서postcard 추천서letter of recommendation; letter of reference 가입서registration documents 계산서check; bill 계약서contract; written agreement