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 Girls

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 spies—perfect for fans of Spy School and Mrs. Smith’s Spy School for Girls.

In this second installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies returns for another international adventure perfect for fans of Spy School and Mrs. Smith’s Spy School for Girls.

In this third “thrilling” (Kirkus Reviews) 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.

In this fourth installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies go codebreaking in Cairo in another international adventure perfect for fans of Spy School and Mrs. Smith’s Spy School for Girls.

In this fifth installment in the New York Times bestselling series from Edgar Award winner James Ponti, the young group of spies take on New York City in another international adventure perfect for fans of Spy School and Mrs. Smith’s Spy School for Girls.

The City Spies head to the Big Apple when a credible threat is made to a young climate activist who is scheduled to speak in front of the upcoming United Nations General Assembly. With Rio acting as alpha and a new member in their ranks, the team’s mission to protect a fellow teen takes them on an exciting adventure in, around, and even under the greatest city in the world as they follow leads to the outer boroughs, the UN Headquarters, and even the usually off-limits stacks that extend deep under the main branch of the New York Public Library.