A tetralogy of books by TadWilliams about a secretive order of superrich, superpowerful folk who have created this online construct in VirtualReality called "otherland." Something sinister about it (naturally).
- OtherlandCityOfGoldenShadow (1996)
- OtherlandRiverOfBlueFire (1998)
- OtherlandMountainOfBlackGlass (1999)
- OtherlandSeaOfSilverLight (not yet published)