These are books related to learning, including programming. I think these books will be helpful for elementary school students, junior high school students, and adults who want to learn. They are used books and show signs of wear. The obi (paper band) has some tears and scratches. - Title: The Mysteries of the Earth: Why? How? - Title: What is Programming? The Structure of IT Society - Title: Japanese History Learned in Elementary and Junior High School Thank you for looking.