9
series of pre-recorded audiotapes, compact discs, digital video discs, laser discs and videotapes, each regarding accounting, advertising, architecture, art, automobiles, biology, biotechnology, business, chemistry, computers, dance, dentistry, economics, education, electronics, energy, entertainment, environment, exercise, finance, fitness, government, healthcare, history, hobbies, home improvement, investing, law, literature, management marketing, mathematics, medicine, military, movies, music, nutrition, opera, pet care, photography, physics, politics, real estate, science, software, sports, technology, telecommunications, television, theater, and/or trade; informative and instructional computer software covering a wide variety of topics
16
series of books and periodicals regarding accounting, advertising, architecture, art, automobiles, biology, biotechnology, business, chemistry, computers, dance, dentistry, economics, education, electronics, energy, entertainment, environment, exercise, finance, fitness, government, healthcare, history, hobbies, home improvement, investing, law, literature, management, marketing, mathematics, medicine, military, movies, music, nutrition, opera, pet care, photography, physics, politics, real estate, science, software, sports, technology, telecommunications, television, theater, and/or trade