Jeff Norton: MetaWars: Fight for the Future [2012] paperback

Jonah Delacroix can't stand the real world - so he lives most of his life inside a global computer-based virtual world called the Metasphere, where everyone is represented by an avatar. When he discovers the avatar of his dead father, and assumes his online identity, a series of events are unleashed that compel Jonah to race across the real world with a secret society to protect the freedom of all mankind...