Nineteen-year old Winter Young, the world's hottest superstar, is recruited by a covert organization to take down a criminal tycoon and finds himself paired with Sydney Cossette, a fierce and unpredictable secret agent, but suspicions soon turn to sparks as the two are drawn into a tangled web of secrets and deception.

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

Seventh-grader Georges adjusts to moving from a house to an apartment, his father's efforts to start a new business, his mother's extra shifts as a nurse, being picked on at school, and Safer, a boy who wants his help spying on another resident of their building.

Eight years after being kidnapped, Addie Webster, now sixteen, resurfaces under mysterious circumstances, significantly changed, and her childhood best friend, Darrow Fergusson, is asked by a national security advisor to spy on her to uncover whether she is a threat to her father's Presidency or the nation.

"Sara Martinez is facing years in the juvenile detention system for hacking into the foster care computer system to prove that her foster parents are crooks. But then she gets a second chance when a mysterious man offers her a chance to join a group of MI6 affiliated spies"--

"Set during the Cold War in upstate New York, Shelby Blaine, the teenage daughter of an Air Force intelligence officer, becomes entangledwith an escaped Soviet pilot accused of being a spy."--

When the world's deadliest terrorist organization, Scorpia, stirs up trouble in the Middle East, it is up to fourteen-year-old MI6 agent Alex Rider to thwart their plans.

In a country governed by isolation, fear, and a tyrannical dictator, seventeen-year-old Cristian Florescu is blackmailed by the secret police to become an informer, but he decides to use his position to try to outwit his handler, undermine the regime, give voice to fellow Romanians, and expose to the world what is happening in his country. Includes author's note.

Fighter pilot Spensa Nightshade has been embroiled in an alien empire's war and now, to figure out what she really is, she must leave her world behind to enter the Nowhere, a mysterious realm from which those who enter rarely ever return. As a Defiant Defense Force pilot, Spensa has proved herself one of the best starfighters in the human enclave of Detritus, and traveled light-years as an undercover spy to infiltrate the Superiority, where she learned...