The Deadliest Game — Diane Duane

In the future, computers rule the world. The Net Force was formed to protect America from any and all criminal activity on-line. But there is a group of teenage whiz kids who sometines know more about computers than their adult superiors. They are the Net Force Explorers. They go where no one else can go. And they fight crime like no one else in the world...

The virtual Dominion of Sarxos is the most popular wargame on the Net. Thousands flock nightly to log on and lead their fantasy armies into battle. But something sinister is going on.

Some players' computers are destroyed by burglars. Another player is attacked and beaten. One thing is certain - someone in the Dominion of Sarxos is taking the game very seriously.

Net Force Explorers Megan O'Malley and Leif Anderson are asked to investigate. They play the game. They know the world. But nothing can prepare them for the danger when the real game begins...