Thank you for viewing. This is the 2025 revised edition. Regarding shipping: For example, Those who purchase between the evening of the 1st (Monday) and the 7th (Sunday) will have their orders shipped on the 13th (Saturday) or 14th (Sunday). Those who purchase between the evening of the 8th (Monday) and the 14th (Sunday) will have their orders shipped on the 20th (Saturday) or 21st (Sunday). If you purchase multiple books, we may be able to offer a discount on shipping. Please comment. (This may not be possible depending on the thickness of the books.) If you purchase multiple books without commenting, we may ship them together at the original price. α Standard Series. A year-round textbook designed to improve academic ability up to the level of top public high school entrance exams. It systematically and effectively improves academic ability from the basic level to the level of top public high school entrance exams. It includes refined problems and also includes thinking skills problems to address the recent, somewhat high-level entrance exam questions. It allows you to gradually and effortlessly develop your skills from the level of public high schools to the level of mid-tier private high schools. With detailed level settings, dividing the practice problems and chapter-end problems into two stages, A and B, you can steadily step up your learning. There is also a "Entrance Exam Preparation Special Feature" at the end of the third-year volume.