Books on the virtual bookshelf by Koji Onaka: "Photographs 1988-91 (背高あわだち草 | 尾仲浩二)", Sokyu-sha (1991); "Distance: Photographs 1991-1995", Mole (1996); "Umimachi", Superlabo (2011); "Slow Boat", Schaden (2008); "Grasshopper", Tosei-sha (2006); "Matatabi", Superlabo (2012); "Twin Boat", Session Press (2013); "Lucky Cat", Matatabi Library (2013); "A Dog in France", Sokyu-sha (2008); "Distance 1991-1995", Matatabi Library (2012); "Short Trip Again", Matatabi Library (2014); "Tokyo Candy Box", Wides Shuppan (2001); "My Favourite 21", Zen Foto Gallery (2013); "Photographs 1988-91 Seitaka-awadachiso", Kaido Books (2016); "Dragonfly", Tosei-sha (2007); and 8 more.