Sundai DVD University Entrance Exam Preparation Course Basic Edition Approach to Passing University Entrance Exam Mathematics Basic Skills Enhancement Edition, Complete 15-Volume Set Instructor: Takaaki Kobayashi ※All items in the photos are included! ※Correspondence tutoring problems are not included!! Purchased approximately 20 years ago. The DVDs played without any issues. The textbooks have almost no writing or signs of use, but there is some aging of the paper quality.