Robin Brande 
Secret Security Squad [EPUB ebook] 
Operation Erase

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…