Top-level problem set for those aiming to pass difficult private universities and national universities. - Title: New Modern Japanese Level-Specific Problem Set 6: Top Level Edition - ISBN: 9784890587978 - Publisher: Toshin Books - Difficult Private Universities/Difficult National Universities Passing Level: Advanced I checked inside and, as far as I can see, there are no markings. There are no noticeable stains or scratches, but please refrain from purchasing if you are looking for a perfect product. Please judge the condition of the product from the photos and purchase after understanding. I am also listing multiple reference books. I will discount 100 yen for combined purchases, so please feel free to contact me. (We may not be able to combine shipping depending on shipping costs) Thank you for viewing.