Stored at home. Books I bought and studied with when I was a student. A hardcover book from the Showa era. - Introduction to Set Theory and Topology - Kazuo Matsuzaka - Iwanami Shoten - Price: ¥1600 - Published May 10, 1977 (photo) - Outer box: Has dirt and damage (photo). - Cover: No major dirt or damage, it's clean (photo). - There is a fold on page 53 (photo). - Writing: There is writing like in the photo on about 50 pages (photo). - Text: There is writing, but there is no major dirt and it is readable. - There is a slight smell of an old book. - If you are concerned about the smell or writing, please refrain from purchasing. - If you are looking for a new copy, it seems a new edition has been published. Please understand that this item is over 40 years old before purchasing.