The Reality Bug

Fifteen-year-old Bobby Pendragon arrives on the territory of Veelox in pursuit of the evil Saint Dane, but all is peaceful on Veelox-because it's deserted. The inhabitants have discovered a way to enter their own personal dream worlds, where they can be whomever they want, wherever they want.
Fresh from his battle with Saint Dane on 1937 Earth, Bobby is confident that he can defeat whatever Saint Dane has planned for Veelox. But once Bobby enters the virtual world, will he be able to resist the lure of the ultimate in escapism?