Summarizing the long and complex history of Italian wines (and grapes) is always challenging, for everybody. However, who doesn’t wish a handbook where finding all-you-need-to-know about Italian wine world? So, just out of curiosity, for your personal culture and, obviously, for fun.
Here it is!  The "Italian Wine Unplugged Grape by Grape" is a sort of "everything you always wanted to know about this topic but were too shy (or lazy) to ask".