A set of picture books for first graders to enjoy science and stories. - Title: Masterpieces to Read: 1st Grade - Title: Fun! The Wonders of Science: Why and How: 1st Grade - Title: Why? How? Science Stories: 1st Grade - Title: Why? How? Everyday Mysteries: 1st Grade - Category: Picture Books/Children's Books There is some creasing and soiling on the covers. I bought these for my child before, but I don't see any signs of them having been read, so I think they were hardly read. (The condition of the items is subjective, so please check the photos for details.) Thank you.