A set of problem books for 4th graders, covering science, social studies, math, and Japanese. There is writing inside. The covers are all fixed to the books with tape. - Title: Z-kai Grade Up Problem Book 3-4th Grade Science - Title: Z-kai Grade Up Problem Book 4th Grade Social Studies - Title: Z-kai Grade Up Problem Book 4th Grade Math - Title: Z-kai Grade Up Problem Book 4th Grade Japanese Thank you for viewing. ＜Please Read Carefully＞ Sold as is. I am not offering discounts. While I may overlook something, I assume that the buyer understands this. These were given to me. They are considered junk. For remote areas such as islands, Hokkaido, and Okinawa, where additional shipping charges apply, please contact me in advance. If you purchase without contacting me, the order will be canceled, and the item will be relisted with the added shipping cost. Regarding this transaction, in the event of any legal disputes, the buyer agrees to file a lawsuit in the court with jurisdiction over the seller's current address, regardless of the reason. If the buyer does not contact me within 24 hours after I contact them, or if payment is not received within 2 days from the date of purchase, the order will be canceled. Please note that it may take about a week to ship the items.