Shattering Glass by Gail Giles

Simon Glass is a loser, which is exactly why popular, magnetic Rob Haynes selects him as his pet project. The goal? Get Simon Glass voted class favorite. The reason? To prove Rob Haynes' ultimate power in manipulating people into giving him what he wants. The only problem? Rob underestimated Simon's willingness to play by his rules. Therefore, when Simon learns a devestating secret about Rob and shows that he's in control, Rob can't deal and things turn deadly.