"[2023 Edition] The Easiest IT Passport Textbook for Guaranteed Success + Practice Questions by Order of Appearance" Keisuke Takahashi Price: ¥1580 I bought this used, so I apologize if I missed anything, but there are no markings or notes. #KeisukeTakahashi #Keisuke_Takahashi #book #Electrical/Mechanical/ElectronicCommunication"