When hackers target locations all over London, Kat leads the City Spies in testing security for the British Museum where a secret message leads them to Egypt and the ancient City of the Dead.

With SPYDER apparently defeated, thirteen-year-old Benjamin Ripley is hoping for some peace at spy school, but when the CIA conference room next to where Ben and Alexander are trying to explain everything to Ben's parents (no easy task) is blown up, suspicion falls on fellow trainee (and secret crush) Erica.

Sara Martinez is a hacker. She recently broke into the New York City juvenile justice system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, she finds herself facing years in a juvenile detention facility and banned from using computers. Enter Mother, a British spy who not only gets sara released from jail but also offers her a chence to make a home for herself withing a secret team of your MI6 agents....

In 1942, twelve-year-old Stick Lawson and her two best friends, Rain and Neb, set out to discover the Nazi spies they believe are helping orchestrate U-boat attacks on American ships off the coast of Hatteras Island.

When a virus infects Arlington, Virginia, home of NERDS headquarters, transforming victims into criminal masterminds, it is up to Flinch to stop its spread by miniaturizing himself and entering the head of the Villain Virus's creator, Heathcliff Hodges.

"How did real-life spies communicate in secret? Readers get a sneak peek at real spies and the gear they used to complete their missions!"--

"World War II is raging across Europe and the Axis and Allied powers are in a stalemate. Dak, Sera, and Riq can tip the scales in the Allies' favor if they can pull off the most daring spy mission of all time. But even if they succeed, are they playing into the SQ's hands?" --Back cover.

When Ms. Information kidnaps the President's daughter, it is up to twelve-year-old Ruby, also known as Pufferfish, to use her super-nanobyte-enhanced allergies in leading the NERDS' investigation.

With a key to the Oakes School in his possession Benjamin, his friend Jill, and a new friend continue to seek ways to protect the school and their town but Lyman, the janitor and a spy, has new tricks up his sleeve.

Summoned by the Queen of England to save the world once again, trusty kid spy Mac B. navigates secret tunnels beneath the Berlin Wall to retrieve cheat codes from an adversarial scientist only to find himself trapped in East Germany.