Amazon.com description: Product Description: King Arthur is back!  And he's a mutant!  The island of England is mapped and described.  Much has changed after the bomb struck.  Human life is nearly extinct and Britain is now divided into eight kingdoms, all ruled by intelligent mutant animals.  But all is not well.  Feuding between the kingdoms promises civil war, then there are the rumors about a human army invading the waste lands.  The realm needs a leader.  A man (or mutant) who can unite the people and restore a nation; King Arthur!   18 New Mutant Animals, Druids and Magic, King Arthur, Merlin, Adventures and More! Compatible with Heroes Unlimited, Ninjas & Superspies, Teenage Mutant Ninja Turtles, and Rifts