Don't Judge a Girl by Her Cover by Ally Carter

In this third book by Ally Carter, the Gallagher Academy & it’s top-secret spy students are in for big trouble. Cammie & her friends struggle to find answers after a frightening kidnapping attempt in Boston, realizing that the bad guys are better than ever this time. Who are these people &, more importantly, who is their target?
~Sarah Jane Thielman, age 15

Book Description: When Cammie Morgan arrives at her friend Macey's five-star hotel for the Democratic National Convention, where Macey's
father is about to receive the vice presidential nomination, she thinks she's in for an exciting end to her summer break. But if you're a Gallagher Girl, 'exciting' & 'deadly' are never far apart.