I would appreciate it if you could also read my self-introduction before purchasing! "Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo Ryō-san no Tentai Dai-Tatsujin" (This is the Police Station in front of Kameari Park, Katsushika Ward: Ryō-san's Great Celestial Master) Osamu Akimoto / Jun'ichi Watanabe Price: ¥760 "Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo Ryō-san no Chikyū no Shikumi Dai-Tatsujin" (This is the Police Station in front of Kameari Park, Katsushika Ward: Ryō-san's Great Earth Master) Osamu Akimoto / Yoshio Yamazaki Price: ¥850 #OsamuAkimoto #Osamu_Akimoto #JunichiWatanabe #Junichi_Watanabe #book #nature/earth science/astronomy Items will not be sold separately. Other learning series are also on sale.