There are scratches on the surface, but it is generally clean. No writing inside. (Sorry if I missed anything) The cover has been disposed of, so the price has been significantly reduced. "Differential and Integral Calculus" Kentaro Yano / Shigeru Ishihara / Shoichi Funahashi Price: ¥2,310 #DifferentialAndIntegralCalculus #RevisedEdition This is the revised edition of Differential and Integral Calculus, offering a new perspective from the authors. - Title: Differential and Integral Calculus Revised Edition - Authors: Kentaro Yano, Hideo Ishihara - Publisher: Kaichakubo - Edition: Revised Edition