This is a User's Guide ONLY IBM Operating System/2 (OS/2) booklet. It is very rare and is being sold as a collectible item. The book is in very good condition and appears to have no writing on it or in it. Returns will not be accepted for this item, so please make sure this is the right item you are looking for before buying. Please review all the photos, and use the zoom feature for a closer look if you need to. Please review all the photos. They will provide additional information and will help you make a more informed decision. You can use the zoom feature for a closer look if you need to. If you have any questions please ask before offerding or buying. This item will ship ship same day or next day.