cool - I'll check it out after this chapter (it's *hard* to sit
   and read a book these days; gosh, been so long -but at least
   this thing is a page-turner. I love things that summarize
   difficult topics in entertaining and accurate-as-possible ways.
   Sometimes a single well thought out analogy can make something
   'click' in a new way - helping other disconnected things tumble
   into place. "