Thank you for viewing. This is a set of 4 books from the "100-Story House" series. ① 100-Story House (no cover) ② Underground 100-Story House (no cover) ③ Sea 100-Story House (with cover) ④ Forest 100-Story House (no cover) ※Please feel free to ask if you have any questions! 【Condition】 The covers and front pages have some scratches, marks, and wear. The inner pages have some wrinkles, but there are no tears or writing, and they are in relatively clean condition, with no problems for reading. We will disinfect with alcohol before shipping. Please note that there may be some overlooked stains. Please consider this item as a used item. If you are looking for a perfect item, please refrain from purchasing. ● Lightly cleaned ● Not sold separately ● Immediate purchase OK ※We are selling various picture books. Please feel free to ask about set sales. #RockCityPictureBooks