Seishonen No Itsudatsu O Meguru Kyoikushi: shobatsu to kyoiku No Kankei by Kazuyo Torii (483505587X 9784835055879 4-8350-5587-X)
Goichigo Jikenki Kenpei Shireibu Kankei Bunsho by Japan, Hiroaki Kita (4835056558 9784835056555 4-8350-5655-8)
