unopened : A state in which all or some of the pages of a book have not been separated from the adjacent pages, caused by a traditional method for printing and binding books in which a large sheet of paper was printed with several pages, folded, and bound into the book. . Sometimes inappropriately called uncut

remainder : Book(s) which are sold at a very deep discount to alleviate publisher overstock. Often, though not always, they have a remainder mark.