It's hard not to think of tradition and craftsmanship when sipping Glenfiddich Single Malt Whisky. But did you know that 70% of the flavour comes from wood during the aging process? Whisky specialist Beth Havers gives us a little Glenfiddich 101, educating us on the finer points of 12-year, 15-year and 18-year-old whiskies. Related >> Serve up a Glenfiddich Sour