16 Publications, namely, magazines, books, manuals and textbooks in the fields of linguistics, mathematics, science, geography, history, literature, art, physics, chemistry, biology for use in teaching languages; printed teaching material, namely, children's activity books, teacher's guide books featuring linguistics, mathematics, science, geography, history, literature, art, physics, chemistry, biology for use in teaching language; series of fiction and non fiction books on a variety of matters with educational and entertainment purposes