If you call that number now, you get MCI sales. Thank goodness print publications exist to preserve some form of reality. I contacted Fox, and got no reply. I can only say it defies logic to take such a site offline - ever. It would only take one or two tape sales per year to pay for itself.
Publishers are also guilty of revising history on the Internet.
I sold the print rights to Lawyers Cooperative Publishing, and after I decided not to write an eighth edition, they exercised their right to continue publishing the title under the same name with a new author. In fact, you'll find a blank page. My thesis has a typo in it. It remains in the MIT library with the typo intact. Frankly, I hope my kids read my thesis some day.