Question: Who is currently holding the copyright to the short-story collection "The Case-Book of Sherlock Holmes" in the United States?
Answer: 1927 年出版的所有书籍、电影和其他作品都没有在 2023 年 1 月 1 日进入公共领域。
No one as all books, films, and other works published in 1927 entered the public domain on 1 January 2023.