Translation guide
In Japanese, 'paperback' is most commonly expressed as 文庫本 (bunkobon), referring to the small, affordable paperback format. There are also other terms for different paperback sizes and contexts.
The most common type of paperback in Japan: a compact, pocket-sized book, often of classic or popular literature.
The standard term for a mass-market paperback in Japan. These are smaller than Western paperbacks and very common.
この小説の文庫本を買った。
I bought the paperback edition of this novel.
文庫本は持ち運びに便利だ。
Paperbacks are convenient to carry around.
Short for 文庫本. Often used in compound words or when the context is clear.
あの本は文庫になった。
That book has come out in paperback.
A paperback that is larger than the standard bunkobon, often used for manga, art books, or some novels.
Refers to a trade paperback with a flexible cover, larger than a bunkobon. Common for manga volumes and some novels.
この漫画はソフトカバーで出版された。
This manga was published in paperback.
A more technical term for a paperback book with a soft cover, as opposed to hardcover. Used in publishing contexts.
この本は並製本です。
This book is a paperback.
Emphasizing the physical format (soft cover) rather than a specific size.
A loanword from English, used to refer to Western-style paperbacks or to emphasize the softcover format. Less common for Japanese books.
この本はペーパーバック版もある。
This book is also available in paperback.
Literally 'paper cover'. A descriptive term, but not commonly used in everyday conversation.
When talking about a typical Japanese paperback, 文庫本 is the safest and most common word. Use ソフトカバー for larger paperbacks like manga volumes.
The direct loanword ペーパーバック is understood but sounds foreign. It's better to use 文庫本 or ソフトカバー for Japanese books.
紙表紙の本は軽い。
Paperbacks are light.