If you have an older Macintosh, be sure to
download these fonts and add them to your Fonts folder. They're used
extensively on the Web, but if you don't have them in your System,
you won't see them on your screen.
Ms. Williams is a well-known graphic designer who has authored a number
of helpful books. One I would particularly recommend for anyone who
needs a quick crash course in layout and typography is The Non-Designer's Design Book, available at Fatbrain.com