A detailed written description of the form and behavior of the Ruby product.

A story about Ruby.

The original 1975 cover.
Back then, Microsoft had an inviolable rule that nobody, but nobody, could get their name in the About Box of any product. It took some serious arm-twisting to get them to show even this begrudging, short-lived credit to me.

Ancestry Thinker, Software Alchemist, Regenerative Rancher