"Math Puzzles: How many questions can you solve?" Price: ¥850 #Books #Nature/Mathematics Thank you for viewing. I have stored this carefully, but please check the condition in the photos, as it was a store-sold item and has been stored at home. I have many other books in the same series and genre, so please take a look if you'd like. Discount for additional purchases: 1 book: ¥100 off 2 books: ¥250 off I am sorry, but I do not accept price negotiations for single items. Please understand that this is a used item, including any damage. Please feel free to ask if you have any questions. Important notice: In recent transactions, there have been several cases where the receipt notification was not provided for more than a week after the item arrived, and all contact was ignored, resulting in forced closure by the administration. Basically, I would like you to provide a receipt notification within 24 hours of receiving the item, or at the latest within 48 hours. However, if you have special circumstances such as travel or illness, please feel free to contact me via comment, and this will not apply. I am very sorry, but I will block those who are extremely malicious. I pack with care and ship as quickly as possible. I hope we can have a pleasant transaction since we have this opportunity. Thank you for your cooperation. You can purchase this item immediately. I will continue to list wonderful items, so please follow me if you like. ☺︎"