I purchased this used for studying for an exam. There are no markings inside, but the bottom of the cover was originally torn from the time of purchase, and I have repaired it with tape. "Fundamentals of Crop Science I: Edible Crops" Yusa Goto / Yoji Nitta / Satoshi Nakamura Price: ¥3800 #YusaGoto #Yusa_Goto #YojiNitta #Yoji_Nitta #SatoshiNakamura #Satoshi_Nakamura #book #industry/agriculture_forestry