A perfect problem book for IT Passport exam preparation. I used it with a cover, so there are no noticeable scratches or stains. There are no writings or markings. I was able to pass the exam by focusing on the key points. I am open to price negotiations. Thank you. - Title: IT Passport Deru Jun Mondai-shū (IT Passport Problem Collection in Order of Appearance) - Author: Kyosuke Takahashi - Target Audience: Fully compatible with the latest syllabus 6.x - Series: Ichiban Yasashii (The Easiest) - Number of pages: Thick Thank you for looking.