① "Study Methods from Junior High School" Katsu Ogawa / Atsushi Hashino / Toshiyuki Honda ② "Ogawa-style Print: Junior High School Mathematics Basics Revised New Edition" Katsu Ogawa ③ "Ogawa-style Print: Junior High School Japanese Basics" Katsu Ogawa Set of the above 3 books Used for home study, so there is yellowing and signs of use. There is damage to the corners. There is pencil smudging on the cover. No writing inside. #KatsuOgawa #Katsu_Ogawa #AtsushiHashino #Atsushi_Hashino #ToshiyukiHonda #Toshiyuki_Honda #books #Society/Education_and_Learning #Nature/Mathematics #Language/Japanese