Homework booklets used during in-person classes at Nikken Gakuin. Set of 3 booklets issued in 2022. These booklets efficiently cover the key points, making them useful not only for beginners but also for review. There are writings in the booklets. Number of booklets: 3 Titles: Homework No. 1, No. 2, No. 3 Year of issue: 2022 Publisher: Nikken Gakuin Thank you for looking.