There are 6 books in the City Spies series. The newest book is London Calling .

1
City Spies

Book cover of City Spies
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…
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2
Golden Gate

Book cover of Golden Gate
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.

After thwarting a notorious villain at an eco-summit in Paris,…

4
City of the Dead

Book cover of City of the Dead
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.

Codename Kathmandu, better known as Kat, loves…