Operating out of a base in Scotland, the City Spies are five kids from various parts of the world. When they’re not attending the local boarding school, they’re honing their unique skills, such as sleight of hand, breaking and entering, observation, and explosives.

Ben Ripley may only be in middle school, but he’s already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn’t exactly scream “secret agent.” In fact, Ben is so awkward, he can barely get to school and back without a mishap.

After a botched escape plan from her boarding school, Abigail is stunned to discover the school is actually a cover for an elite spy ring called The Center, along with being training grounds for future spies. Even more shocking? Abigail’s mother is a top agent for The Center and she has gone MIA, with valuable information that many people would like to have—at any cost.

Back home in New York City, after living in France for five years, Jada is ready to embark on her first and greatest spy adventure yet. She plans to scour New York City in search of her missing mother, even though everyone thinks her mom died in a plane crash.

What is the League of Unexceptional Children? I'm glad you asked. You didn't ask? Well, you would have eventually and I hate to waste time. The League of Unexceptional Children is a covert network that uses the nation's most average, normal, and utterly unexceptional children as spies.