This is a reference book for the Denken 3rd class (Electrical Engineering) exam. I used it for about a month before the exam. There are no stains or markings on the text, so I've marked it as "No noticeable scratches or stains." Retail price: 3000 yen Price is negotiable. Please state your desired price. *Please refrain from purchasing if you are overly concerned about condition. *Please check my profile before purchasing.