This is a set of Yasashii Rikei Suugaku (Gentle Science Mathematics) and High-Level Rikei Suugaku (High-Level Science Mathematics). They have been carried around, so they are slightly damaged. Also, as shown in the fifth image, there are markings on some pages. ・Instant purchase without comment is OK. ・All items are stored at home. Please refrain from purchasing if you are looking for a perfect product. ・There are no smokers and no pets. ・Shipping is scheduled within 2 days. If there is a period when I cannot ship for a long time (4 days or more), it will be stated in my profile. ・We will take measures to prevent water damage during shipping. ・For combined purchases, we will discount 200 yen for shipping if they can be packed together, so please feel free to apply. "High-Level Science Mathematics" Kazuhiro Mitsuya Price: ¥1320 #KazuhiroMitsuya #Kazuhiro_Mitsuya #book #nature/mathematics