• 1996 - The first on-line edition of the text was made available as a series of web pages. This volume has been continuously available on http://www.psychstat.missouristate.edu ever since it's introduction. The text may be accessed here.
• 2001 - The second edition of the text has was extensively modified to take full advantage of the probability calculator. Both the web and a hard copy version of the second edition are available from my publisher, in addition to extensive teaching materials. The second edition can be found on the Atomic Dog Web Site. The same text at a higher price can also be found at Amazon.com. An on-line XML version of the text can be found here.
• 2007 - A third edition of the text is scheduled to be published by Thompson Publishing.

A related text, Handbook for a Statistic Project, is available here.