Recruited into MI5 against a backdrop of the Cold War in 1972, Cambridge student Serena Frome, a compulsive reader, is assigned to infiltrate the literary circle of a promising young writer whose politics align with those of the government, a situation that is compromised when she falls in love with him.

Amelia, a young secret agent, investigates some robotic animals, an enchanting music teacher, and a pair of remarkably beautiful twin bakers with a dastardly plot, all while avoiding her nemesis, Trudy Hart.

An ex-agent on the run from her former employers must take one more case to clear her name and save her life.

In 1931 Shanghai, two Nationalist spies pose as a married couple to investigate a series of brutal murders causing unrest in the city.

For all of the War Between the States, Marlie Lynch has helped with coded letters about anti-Rebel uprisings in her Carolina woods; tisanes and poultices for Union prisoners; and silent aid to fleeing slave and Freeman alike. Then the vicious Confederate Home Guard claims Marlie's home for their new base of operations in the guerrilla war against Southern resistors of the Rebel cause. Escaped prisoner Ewan McCall is sheltering in Marlie's laboratory;...

While working with the Australian Secret Service on a dangerous mission, teenaged spy Alex Rider uncovers information about his parents.

She is an ingenious assassin, with as many methods as identities, a master of disguise with an instinct for escape.... She is Witch, and she makes for alluring prey, teasing her pursuers as she eludes them, hunting her victims with breathtaking creativity, beguiling the most powerful men in the world with her dark beauty and cunning.
Witch is wanted by the world's most elite police agencies, doggedly pursued by three very different detectives...

When a terrifying encounter in London reveals that one of her most-trusted allies is actually a rogue double-agent, Cammie Morgan no longer knows if she can trust her classmates, her teachers--or even her own heart.

As almost thirteen-year-old Ben, a student at the CIA's academy for future intelligence agents, prepares to go to spy summer camp, he receives a death threat from the evil organization SPYDER.

After recovering from a near fatal gunshot wound, teenage spy Alex Rider embarks on a new mission to stop a group of eco-terrorists from sabotaging the launch of the first outer space hotel.