Top-level math problem book for junior high school entrance exams. For 5th graders. This is a used item, as it has been stored at home. There are no markings. I believe it can still be used. I will sell this item to those who understand the above. - Title: High Class Test Grade 5 Math New Edition - Key Feature: Top-level problem book for junior high school entrance exams - Target Grade: Elementary School 5th Grade Thank you for looking.