This site cannot do full justice to the areas of hypertext, multimedia, and interactive hypermedia, so for those who are interested in further reading here is a list of a few interesting works.
Ambron, S. & Hooper, K., Eds. Multimedia in Education. Cupertino: Apple, 1987. Cotton, B. & Oliver, R.. Understanding Hypermedia. London: Phaidon, 1993. Laurel, B. Ed. The Art of Human-Computer Interface Design. Reading: Addison Wesley, 1990. The following excellent documents are available on the WEB: