From the #1 bestselling author of The Inheritance Games - a fun, page-turning high school mystery duology. Meet the Squad: these cheerleaders are actually spies! Meet the Squad: pretty, popular, and extremely dangerous. A MYSTERIOUS INVITATION When hacker and black-belt Toby Klein arrives at Bayport High, joining the cheerleading squad is the last thing on her to-do list. But after a mysterious note urges her to audition, she realizes that behind those pom-poms is a dangerous secret. A DANGEROUS SECRET The Squad is cover for the government's most elite spies, hidden in plain sight. And they need Toby to retrieve intel from the only person who has it - the most popular boy at school. AN IRRESISTIBLE TARGET But evil lurks in Bayport and Toby's newfound makeover has put a spotlight on her. And now there's her inconvenient - and growing attraction - to her mark, which might just get her killed . . .