These are printable genre/subgenre dividers with visuals to organize a classroom library. It comes with premade dividers for: Science Fiction, Horror, Mystery, Historical Fiction, Fantasy, Adventure, Comedy, Realistic Fiction, Poetry, Historical Nonfiction, Science, How-to, and blank pages to create more to fit your needs. There are two dividers on each printed page. You can print on paper and laminate them or print them on cardstock.