19 titles- Shio no Machi: wish on my precious ["Town of Salt: wish on my precious"] (Tokyo: Media Works, 2004) [SDF: pb/]
- Sora no Naka ["In Mid-Air"] (Tokyo: Media Works, 2004) [SDF: hb/]
- Umi no Soko ["At the Bottom of the Sea"] (Tokyo: Media Works, 2004) [SDF: hb/]
- Raintree no Kuni ["Land of the Raintree"] (Tokyo: Shinchōsha, 2006) [hb/]
- Toshokan Sensō ["Library War"] (Tokyo: Media Works, 2006) [Toshokan Sensō: hb/]
- Toshokan Neiran ["Library Revolt"] (Tokyo: Media Works, 2006) [Toshokan Sensō: hb/]
- Toshokan Kiki ["Library Crisis"] (Tokyo: Media Works, 2007) [Toshokan Sensō: hb/]
- Kujira no Kare ["The Whale's Boyfriend"] (Tokyo: Kadokawa Shoten, 2007) [coll: SDF: hb/]
- Toshokan Kakumei ["Library Revolution"] (Tokyo: Media Works, 2007) [Toshokan Sensō: hb/]
- Hankyū Densha ["Hankyū Train"] (Tokyo: Gentōsha, 2008) [coll: hb/]
- Rabu Kome Konjaku ["Love Comedy Ancient and Modern"] (Tokyo: Kadokawa Group Publishing, 2008) [coll: hb/]
- Bessatsu Toshokan Sensō I ["Supplement: Library War I"] (Tokyo: Media Works, 2008) [Toshokan Sensō: hb/]
- Bessatsu Toshokan Sensō II ["Supplement: Library War II"] (Tokyo: Media Works, 2008) [Toshokan Sensō: hb/]
- Sanbiki no Ossan ["Three Old Guys"] (Tokyo: Bungei Shunjū, 2009) [Sanbiki no Ossan: hb/]
- Shokubutsu Zukan ["Plants Pictorial"] (Tokyo: Kadokawa Shoten, 2009) [hb/]
- Freeter, Ie o Kau ["Freeter, Buy a House"] (Tokyo: Gentōsha, 2009) [hb/]
- Sanbiki no Ossan Futatabi ["Three Old Guys Again"] (Tokyo: Bungei Shunjū, 2012) [Sanbiki no Ossan: hb/]
- Tabineko Report (Tokyo: Bungei Shunjū, 2012) [hb/]
- The Travelling Cat Chronicles (trans of the above by Philip Gabriel) (New York: Doubleday, 2018) [hb/]