背せ表びょう紙し

noun

spine of a book

Refers specifically to the part of a book cover that faces outward when shelved, often bearing the title and author.

• 本ほん棚だなに並ならんだ背せ表びょう紙しを見みて、読よみたい本ほんを探さがす。

  I look at the spines lined up on the bookshelf to find a book I want to read.