printed instructional and teaching materials, namely, [ books, ] handbooks, pamphlets, [ stationery, certificates, ] workbooks, manuals, guides, [paper and plastic transparencies,] all in the fields of education, educational assessment and testing, counseling of at risk teenagers, mentoring of at risk teenagers, training and skills certification in such fields of education, counseling and mentoring

[ educational services, namely, conducting seminars, classes, courses, lectures, workshops, conferences, assemblies and symposia, all in the fields of education, educational assessment and testing, counseling of at risk teenagers, mentoring at risk teenagers and training and skills certification in such fields of education, counseling and mentoring ]