Instant purchase is okay. Individual sales are okay. Small price reductions are okay. This is a set of 7 children's books. Due to shipping costs, significant price reductions are not possible. I apologize. I used to read these often, so there may be yellowing and stains, but I would like to sell them to someone who understands. - Series Name: Why? How? Science Stories, Why? How? Familiar Questions, Masterpieces You Can Read in 10 Minutes Thank you for looking. Children's Books Why? How? Science Stories Why? How? Familiar Questions Masterpieces You Can Read in 10 Minutes 5th Grade 4th Grade 3rd Grade 2nd Grade 1st Grade