PernMUSH
PernMUSH ( also called NorCon or NC , for "North Continent" ) was an online role-playing game , established in 1991 , which was based on Anne McCaffrey's world of Pern . 
<triplet> Anne McCaffrey <subj> Pern <obj> notable work <triplet> Pern <subj> Anne McCaffrey <obj> author