16 printed instructional and teaching materials and curriculum catalogs in the fields of reading, literature and literacy, children's illustrated activity books, books for children featuring interactive learning pieces, namely, repositionable letters, words and objects, children's learning-activity books; children's books combined with pre-recorded educational and entertainment audiocassettes or videocassettes sold as a unit; children's song books; series of fiction books; textbooks in the fields of reading and printed puzzle books