This is a reference book for sixth graders that summarizes key points useful for daily study and tests. It also includes English and allows for a comprehensive review of all subjects. My child used it during the winter break. I don't think there are any markings, but please forgive any oversights as it was used by my child. - Title: Sixth Grade All Subjects Key Points 100% - Publisher: Juken Kenkyusha - Color: Color edition - ISBN: 978-4-424-82099-5 - Price: 1,000 yen - Target Grade Level: Sixth grade elementary school - Content: A reference book summarizing key points useful for daily study and tests. Thank you for looking.