A live book publication of

This live book is a work in progress, written in hypertext for publication on the web.

It is designed for optimal viewing at screen resolutions of 800x600, on browsers that support frames. The design font is Bookman Old Style, with a "medium" font setting. If this font style is unavailable on your system, text should appear in Times New Roman.

To accommodate other screen resolutions, modified page layouts are provided. Please specify your screen resolution before entering the live book pages. If your browser does not support frames, select low resolution.

We would appreciate hearing from you. If you spot technical errors, please inform us at . Comments in response to the text should be addressed to the author, Mary Lynn Richardson.