Pattern Classification Using Ensemble Methods

In this third installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies help a fellow agent in another international adventure perfect for fans of Spy School and Mrs. Smith’s Spy School for Girls.After taking down a mole within their organization, the City Spies are ready for their next mission—once again using their unique skills and ability to infiltrate places adults can’t. The sinister Umbra has their sights set on recruiting a North Korean nuclear physicist by any means necessary, and the City Spies plan to keep an eye on his son by sending Paris to the chess prodigy’s tournaments in Moscow and Beijing.Meanwhile, Sydney’s embedded as a junior reporter for a teen lifestyle site as she follows the daughter of a British billionaire on tour with the biggest act on her father’s music label to uncover what links both the band and the billionaire have to a recent threat from an old Soviet missile base.From a daring break-in at one

A New York Times bestseller!A GMA3 Summer Reading Squad Selection!“Ingeniously plotted, and a grin-inducing delight.” —People“Will keep young readers glued to the page…So when do I get the sequel?” —Beth McMullen, author of Mrs. Smith’s Spy School for GirlsIn 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 spies—perfect 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 detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI6 agency.Operating out o