In this thrilling new series that Stuart Gibbs called ',a must-read,' Edgar Award winner James Ponti brings together five kids from all over the world and transforms them into real-life spiesperfect for fans of Spy School and Mrs. Smith's Spy School for Girls.Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile deten ...