Secret Security Squad (Book 1: Operation Erase)
by Robin Brande
Darby Langdon has a plan for taking out the bullies in her junior high. But she'll need a team of specialists to do it: the gamer, the actress, the scientist, the football player, the inventor, and the bookworm. Each of them has a secret that makes them perfect for what Darby has in mind. Now if only her plan would go as perfectly . . .