One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac embarks on his first adventure as a secret agent--with the assurance that the Queen will give him a note excusing him from school.

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.

Young Adam Eddington becomes entangled in international intrigue involving murder and kidnapping when he takes a summer job in Portugal assisting a noted marine biologist whose scientific findings are fought for by world powers.

Eleven-year-old Dawn, Rustgate Primary School's most forgettable student, is recruited for a British secret intelligence agency and sent on a spy mission to track a master criminal.

"A CIA case officer gets her plum assignment-Russia. It's the future she's dreamed of-but an attempted kidnapping, a traitor in the agency, and a crime syndicate involved in the worst forms of evil pull her back into the ragged edges of her past"--

A widowed matron decides to pursue her lifelong desire to be a spy, finds herself useful to the CIA, and successfully completes an assignment which takes her from New Jersey to Mexico City to Albania.

After being sold to a cruel couple in New York City, a slave named Isabel spies for the rebels during the Revolutionary War.

While running a spy network from their elementary school, five unpopular misfits combine their enhanced abilities and use cutting-edge gadgetry to fight evil around the world.

As a sophomore at a secret spy school and the daughter of a former CIA operative, Cammie is sheltered from "normal teenage life" until she meets a local boy while on a class surveillance mission.

After his girlfriend Holly is fatally shot during a violent struggle, nineteen-year-old Jackson uses his supernatural abilities and travels back in time two years, where he falls in love with Holly all over again, learns that his father is a spy, and discovers powerful enemies of time who will stop at nothing to recruit him for their own purposes.