The Great Interactive Dream Machine — Richard Peck

Josh Lewis' best friend, Aaron Zimmer, has turned his computer into a wish-granting machine. It ought to be every techno-addict's dream, but there are a few bugs in the system. Nobody knows when the computer will interactivate next--and it doesn't just grant Josh and Aaron's wishes. In fact, Aaron's mom's poodle seems to eb doing some of the wishing, too. When a mysterious spy called The Watcher starts monitoring their every move in cyberspace, the real trouble begins in this compelling story from Newbery medal-winning author Richard Peck.

"A guaranteed fun, faced-paced adventure."--School Library Journal