Thank you for viewing! - Title: 3 Years of Math: Condensed Summary of Answers and Explanations - Contents: Includes answers and explanations for math problems. - Format: Study guide - Target Grade Level: Junior High School Students, High School Students, Exam Preparation This is a set of two books: a problem collection and an answer/explanation book! It's a junior high school textbook, but it's completely unused. No names written. Please check the images. I apologize if I missed anything.