High School Entrance Exam Special Training Series: 80 Difficult Math Problems 80 Problems That Determine Success or Failure in Difficult Math 80 Carefully Selected Problems from the Most Difficult National Entrance Exams Thorough Study of Junior High School Mathematics Used only a few times, I believe it is in beautiful condition overall. There were some pencil marks on a few pages, but they have been erased. Please check the images before purchasing. I am also listing many other items from the High School Entrance Exam Special Training Series. Some items can be purchased at a slightly lower price with combined shipping for multiple purchases. Please contact me in the comments to discuss. - Title: 80 Difficult Math Problems - Publisher: Tokyo Sansan - List Price: 1600 yen + tax - Content: 80 Problems That Determine Success or Failure in Difficult Math - Series: High School Entrance Exam Special Training Series Thank you for looking.