・The House on 100 Floors Underground ・The House on 100 Floors Under the Sea Set of 2 books. These books have been stored at home, so there may be some minor scratches and stains, but they are in relatively good condition as they haven't been read many times. There are no tears or writing inside. We appreciate your understanding that these items are inspected by a non-professional and stored at home. We look forward to your purchase☆ I have a young child at the moment, so it may take some time to respond, but I will try my best to respond quickly. Please feel free to ask any questions. I will try to ship as soon as possible, but it may take 3-4 days to ship depending on the timing. To prevent any trouble, please comment before purchasing if you are in a hurry. Please note that the person who makes an immediate purchase will be given priority, even if there are price negotiations in the comment section.