Xanadu is the world's most exclusive resort -- with the best food, the nicest beaches, the finest entertainment -- and the most advanced virtual sites ever created. It's also the possible base of operations for the most devastating thefts ever perpetrated on the Net.

Net Force Explorer Megan O'Malley knows she can track the thief down. Her dad, a famous writer, has been asked to host a writing workshop at Xanadu -- so she could go along to investigate without arousing suspicion. But what Megan finds is beyond any Net technology she's ever seen -- with new dangers for the victims of this devious thief. And without help from another of the Net Force Explorer team, she could face a kind of terror that would put her investigative career out of commission -- permanently...