pre-recorded audio cassettes featuring music and spoken word; electronic publications, namely books, and notebooks featuring news, weather, sports, current events, literary works, stories, and reference materials recorded on cassettes, compact discs and CD-ROMs; electronic dictionaries recorded on cassettes, compact discs and CD-ROMs; computers, sound cards, memory cards, electronic memory cards, magnetic cards and memory add-ons for use with electronic dictionaries, and computer hardware for use in recording with electronic books