Three things you need to find a book in the library are
Aauthor, title, and call number.
Btopic, author, and publication date.
Ctitle, publication date, and number of pages.
Dauthor, call number, and publication date.
Aauthor, title, and call number.
Btopic, author, and publication date.
Ctitle, publication date, and number of pages.
Dauthor, call number, and publication date.