This item has been stored at home and is unused. It has the obi (paper band), no writing, and comes with a separate answer booklet. It is in a completely unused and beautiful condition, but please refrain from purchasing if you are sensitive to items stored at home. ◼️Book Overview The definitive edition of the long-loved junior high school problem book series! With this one book, you can comprehensively prepare for class review, regular tests, and entrance exams. The all-color format makes the diagrams and illustrations even easier to see. ◼️Publisher: Gakken Plus