Snow Country [ペーパーバック]

Im trying to find ペーパーバック in japanese.

http://www.amazon.co.jp/Snow-Country-Yas...323&sr=8-1
i dont know if that is an americanized version, can anyone tell me if that version is in
japanese?

[kana]arigato gozaimasu[/kana]

excuse me if i mispelled anything.