"Teihon OP Amp Circuit Design: From the Basics of Design Emphasizing Reproducibility to Applications" Michio Okamura Price: ¥2718 #MichioOkamura #Michio_Okamura #book #electricity_and_machinery/electronic_communication The cover has minor scratches, but there are no writings or markings. It is clean with little signs of use. Packing materials will be reused from items I have at home. I am not currently considering a price reduction. Thank you for your understanding.