"Yoku Wakaru Butsuri Kiso Mondai-shū" (Physics Fundamentals Problem Collection) Kenichirō Komaki Price: ¥800 #KenichirōKomaki #Kenichirō_Komaki #Book #Nature/Physics It's not unused, but it doesn't seem to have any writing in it. There are creases from being opened. It's been stored at home. Thank you for your understanding.