We have 4th Edition in stockand the new 5th Edition - different mash billWhistlePig 18 Year Double Malt Rye 4th Edition...$379.99Rye 79%Malted Rye 15%Malted Barley 6%Proof 92Finished in PX Sherry CasksWhistlePig 18 Year Double Malt Rye 5th Edition...$379.99Rye 91%Malted Barley 9%Proof 92Double Barrel - New American Oak and PX Sherry Casks