Science workbook for second-year junior high school students, designed to improve skills with a three-stage structure. - Title: High-Class Thorough Problem Collection: Science for Year 2 - ISBN: 978-4-581-11023-5 - Features: Improve your skills with a three-stage structure! - Target Audience: Second-year junior high school students - Contents: Includes answers and explanations that clearly explain the concepts. While there are no visible markings, please consider purchasing if you can overlook any potential oversights.