This is a textbook designed to help students steadily acquire the kanji and language skills necessary for junior high school entrance exams. "Kanji Diary" is structured to deepen understanding of kanji, such as by explaining the origins of kanji and providing writing tips. This is a set of two books: "Kokugo (Japanese Language) for Elementary School 4th Grade," upper and lower volumes. Includes answers and explanations for efficient learning. - Title: Junior High School Entrance Exam Shin-enshu Kanji Diary Kokugo (Japanese Language) Grade 4 Upper - Title: Junior High School Entrance Exam Shin-enshu Kanji Diary Kokugo (Japanese Language) Grade 4 Lower - Set Contents: 2-book set, Upper and Lower Volumes - Target Grade Level: Elementary School 4th Grade - Genre: Study Textbook - Language: Japanese Only the first 4 pages of each volume have had writing, which has been erased with an eraser. There are markings with a highlighter on pages 4, 5, and 7 of the upper volume (Photos 3-5). Please understand that this is a used item before purchasing. Returns are not accepted after the product arrives.