Introduction to Analog Electronic Circuits for Learning the Fundamentals Supervised by Keiichi Miyairi Written by Katsuya Abe ● The main body has been checked, and there are no markings. As shown in the photos, there are two pages with folded corners. ● No cover. There are some scratches and stains due to long-term storage. Please understand that this is a used item that has been stored for a long time before purchasing.