Wolinksy, Art. Creating and Publishing Web Pages on the Internet. Enslow Publishers, 1999. An excellent introductory text.
McFedries, Paul. The Complete Idiot's Guide to Creating A Web Page, 4th ed. Que Education and Training, 1999. Another very good, very simple introduction.
Weinman, Lynda and Jon Warren Lentz. Deconstructing Web Graphics.2. A tutorial for working with and designing web graphics.
Sherwin, Gregory and Emily Avilia. Connecting Online : Creating a Successful Image on the Internet. Oasis Press, 1998. A concise how-to guide for marketing your web site.
Helpful Web Sites
Conceptualization basics: http://www.builder.com/Graphics/Conceptualize/
HTML basics: http://www.builder.com/Authoring/Basics/
Advanced HTML tutorials: http://www.pageresource.com/html/index6.htm
HTML editor reviews: http://home.cnet.com/webbuilding/0-7255.html
More editor reviews: http://www.zdnet.com/pcmag/features/htmlauthor/_open.htm
Learn good design by looking at bad
Working with web graphics: http://info.med.yale.edu/caim/manual/graphics/graphics.html
More on web graphics: http://www.designsbymark.com/
Helpful color chart with built-in testing: http://www.hidaho.com/colorcenter/
Browser-safe color chart: http://www.visibone.com/colorlab/big.html