Thank you for viewing. This is volumes 1-11 of "I Don't Know This." I stopped buying the subsequent volumes, so I'm putting them up for sale. There is some sun damage and wear, but I think it's fine for reading. Please consider purchasing only if you understand that these are used items and have been stored at home. Please refrain from purchasing if you are sensitive to minor imperfections or details. If you have any questions, please feel free to contact me. Thank you. Ritsuki Price: ¥482 There's no problem with reading them, but please consider this before purchasing. Shipping will be done using the cheapest method, with simple packaging using a plastic bag and recycled materials found at home. - Please understand that these are used items and have been stored at home. - No pets, no smokers. You can purchase this item immediately. Thank you for your consideration.