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. "