Title: Keeper of the Realm
Description: The Vorgs have landed! They're grotesque, they spit venom and Matt is about to be their next victim.

  What are these lizard-like creatures doing in Gova? Why are humans wandering around like zombies? In the third book of the Keeper Series, Matt finds himself in a terrifying world. With the Help of his friend Targon, and a daring girl named Angel, Matt must locate the secret hideout of the Govan Resistence. And what has become of the wise old scientist, Varl? 

There is no end to the action and excitement as Matt attempts to win the next level of his computer game.
Subjects: Computer games, Fiction, Science fiction, Time travel, Juvenile fiction, Computers