softcovers
n. 軟封面( softcover的名詞複數 )
A softcover is a book with a thin cardboard, paper, or plastic cover.
...this set of 6 softcover books.
由6本平裝書組成的這套書
...her cookbook, which Macmillan is bringing out in soft cover this month.
本月麥克米倫公司將為她的烹飪書推出平裝本