also: ふるぼん · こほん
noun
secondhand book; used book
Common word for a previously owned book, typically sold at a used bookstore.
週末に古本市で珍しい本を見つけた。
I found a rare book at the secondhand book fair on the weekend.
この古本は状態がとても良
This used book is in very good condition.
noun
ancient book; antiquarian book
Only with reading こほん
Rare, specialized term for old or antiquarian books; read as こほん. Not used for ordinary secondhand books.
図書館の貴重書庫には多くの古本が保管されている。
Many antiquarian books are kept in the library's rare book collection.