Soulware — Paul Black

Book two in the Tel trilogy. Jonathan Kortel joined the Agency thinking it would teach him to master his potential, but he begins to suspect that the Agency has its own agenda, and it might not have his best interests at heart. Having been thrust into a world he cannot control, Jonathan begins a quest to uncover what's really going on at the Agency. And in his head. He soon ascertains that he's not only the Agency's star pupil, he's their most important experiment.