16 Printed educational materials, namely, informational flyers, printed paper signs, table tents, posters, workbooks, serial publications, books in a series, worksheets, pamphlets, brochures, and magazines, and newsletters in the field of anti-bullying, harassment and violence prevention, and childhood development; printed materials, namely, children's activity books, coloring books, and picture books in the field of anti-bullying, harassment and violence prevention, and childhood development