Renowned as a land of wonders, Tír na Nóg brims with with ancient elven art and sophisticated elven nobles, powerful magic and cutting-edge technologies. But beneath this cultured facade lies a dark mix of long-simmering feuds and Machiavellian plots. Now add a dash of good old UCAS politics, and you have a Byzantine brew of betrayal and bloodshed, a Mickey Finn with a lethal kick. Celtic Double-Cross is a Shadowrun adventure for advanced players and gamemasters. It is compatible with both Shadowrun, Second Edition rules and the original first-edition rules. The Tír na Nóg sourcebook is required for play.