Product Details "Relativity Explained with High School Math (Blue Backs 1803)" This product does not include ex-rental items. Condition No major scratches, damage, or tears, and there are no problems with reading. We have checked for writing, but please forgive us if we have overlooked anything. Please check the photos for details. We will pack and ship in a black vinyl envelope. #HobiParaBOOKS Discounts are available as follows: 1. Follow Discount Those who are following us will receive a flat discount of 50 yen. 2. Set Discount Those who purchase 2 or more books as a set will receive a discount of 50 yen per book from the total amount. (Sets may not be possible depending on the size of the books.) Follow discounts and set discounts can be used together, so please contact us in the comments if you would like to use them. Confirmation Items Immediate purchase is welcome. We do not offer individual sales. Free shipping and anonymous delivery are also available. We do not have any pets, and there are no smokers.