◼︎ Product Description Product Name: New Edition Introduction to Differential Equations Author: Shigeru Furuya Price: 1400 yen + tax I bought this book new about 4 years ago. I only used it for university lectures, so it's not that dirty. ◼︎ Shipping ・Anonymous shipping via Rakuraku Mercari. ◼︎ Notes ・Instant purchase OK. ・The pages inside are in good condition for reading, with no writing or folds. However, there are some stains and marks on the outer cover, so please check the photos. ・Please refrain from purchasing if you are nervous about home storage. ・The color may differ slightly between the photo and the actual product. Please purchase after agreeing to the above.