Sure you know a thing or two about wine. But do you know your Chardonnay from your Sauvignon Blanc? How about your Shiraz from your Merlot? This guide aims to help you get started on that journey of exploration. Here, we explain how the major international grape varieties change across climates and winemaking styles. So read up, and drink up. Taste the difference. And think how smart you’ll sound to your friends.