Thank you for viewing. Office Skill Utilization & Information Morality for Students Revised Edition I read it once and kept it at home. There are no noticeable stains. To prevent trouble, we do not accept returns or refunds. Also, in the unlikely event of a postal accident, we are not responsible, so please purchase only if you understand this. We do not accept cancellations of transactions, so please understand. Instant purchase OK No price reduction