This is a deluxe 31-book set from Gakken, encompassing masterpieces, mysteries, and biographies to nurture your child's future. **[Highlights of this set]** * **Suitable for all grades! A set that can be used for a long time** All kanji have furigana (phonetic guides). From elementary school children just starting out to older elementary school children who want to improve their reading comprehension, this set can be used throughout elementary school. * **Dramatically improves reading comprehension and vocabulary** By reading Japanese masterpieces, world classics, and popular mysteries, children naturally acquire a rich vocabulary and develop logical thinking and reading comprehension skills. * **工夫 to eliminate aversion** To make it enjoyable for children who dislike printed text, every page is filled with **beautiful color illustrations**. This draws them into the world of the story and becomes a starting point for developing reading habits. **[Product Contents]** This is a set of 31 books in total, combining "World Masterpieces to Read Before Age 10," "Japanese Masterpieces to Read Before Age 10," "Mysteries to Read Before Age 10," and "Easy-to-Read Visual Biography Hideyo Noguchi." **[Set Contents]** 1. World Masterpieces to Read Before Age 10 Series (20 books) 2. Japanese Masterpieces to Read Before Age 10 Series (5 books) 3. Mysteries to Read Before Age 10 Series (5 books) 4. Easy-to-Read Visual Biography Hideyo Noguchi (1 book) Please refer to the images for details. **[Product Condition]** Overall, there are no noticeable stains or tears, and the books are in relatively good condition. However, as these are used items, there may be some scratches or wrinkles on the cover, as well as some yellowing (sun damage) or folded pages. There are no problems with reading, but please refrain from purchasing if you are looking for a perfect new item. This is a set with great educational value. Please feel free to ask any questions. Instant purchase is also welcome!