76454757
Sep 24, 2002
May 29, 2007
Downloadable electronic publications in the nature of portable document format files, CD-ROMs, audio tapes and video cassettes, all of the foregoing in the fields of math, reading, language arts, social studies, and science, for use by students and their parents
Electrical and Scientific ApparatusTextbooks and manuals on math, reading, language arts, social studies, and science, for use by students and their parents
Paper Goods and Printed Matter