I used one book. This is a listing for the remaining five books. Brand new, unused. Retail price: 999 yen [Vocabulary Book - Large Capacity] Size: 4*7cm, 100 sheets x 5 books, 500 sheets [Vocabulary Book - Large Size] The paper size is 7x4cm, allowing you to write a lot of information. Students can use it as a vocabulary book for memorization subjects. [Vocabulary Book - Convenience] Many are compact enough to fit in the palm of your hand, making them easy to store in bags and carry around. It is also suitable for those who want to efficiently set aside study time easily. [Vocabulary Book - Double-Sided Use] Memorize the front and back of the flashcards, or cover both sides. You can also change the way you present the questions, such as "from the front," "from the back," or "randomly." [Vocabulary Book - Uses] Can be used for various purposes such as memo pads, flashcards, vocabulary cards, planners, greeting cards, book chains, and bookmarks.