Title: "Systematic Problem Collection Mathematics 1 Supporting the New Curriculum Integrated Junior and Senior High School Education" - Algebra Edition & Geometry Edition Publisher: Suken Shuppan Editorial Department Notes: Supports the new curriculum, for 1st and 2nd year junior high school students, basic to advanced, includes answer key The problem book is almost unused and has no writing in it. There are marks left from removing a label maker sticker on the cover of the answer key. Please check the photos. If you are concerned, please refrain from purchasing. Thank you for your understanding and purchase.