In the United States, the Harry Potter series of books were often at the top of the New York Times fiction bestseller list. These books have been marketed by turns to preteen, teen, and adult readers around the world with creative marketing, including different book covers. Scholastic Press, the publisher of the Harry Potter books in the U$.$S$.,$ is using which of the following segmentation strategies?

multiple products with one segment

multiple products with multiple segments

one product with changes based on customer behavior

one product with one channel of distribution

one product with multiple market segments