ブックカバー

noun

dust jacket; book jacket; dust cover

Refers to the removable paper cover of a book, often used for protection or decoration. Wasei-eigo from English 'book cover', but in English 'book cover' usually means the permanent cover, while ブックカバー specifically means the dust jacket.

wasei-eigo (Japanese-coined English), from book cover

• 図と書しょ館かんの本ほんにはブックカバーがかけてある。

  The library books have dust jackets on them.

• このブックカバーはデザインが素す敵てきですね。

  This dust jacket has a lovely design, doesn't it?