Farming WoW Gold- Level 55+

In Winterspring there is a nice spot with 55-57 ghost spawns, they die fast, dont hit too hard and drop one very valuable item VERY commonly. They drop the Formula for the Icy Chill, in my experience I can get the formula in under 30minutes.On my server people have been selling these in sets of 2 for the past couple of days and its kinda killed the market but if your on a new server this could be