British agent George Smiley hunts for a mole in the Secret Service and begins his epic game of international chess with his Soviet counterpart, an agent named Karla.

When a former member of NERDS turns into a villainous cheerleader, Matilda "Wheezer" Choi and the rest of the NERDS must infiltrate the cheerleader squad and save the world from a machine that wreaks havoc by entering other dimensions.

After the death of the uncle who had been his guardian, fourteen-year-old Alex Rider is coerced to continue his uncle's dangerous work for Britain's intelligence agency, MI6.

Former NERDS teammate Heathcliff Hodges introduces a virus to Arlington, Virginia, home of the NERDS headquarters, and it transforms people into superintelligent criminal masterminds. Flinch is determined to destroy the virus, and in order to do that, he must shrink himself and take a trip through Heathcliff's body.

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.

When her dream of becoming a spy proves more dangerous and intimate than anything she imagined, an agent endures an isolated existence under an assumed name, before a new friendship raises unanticipated questions.

Led by Duncan "Gluestick" Dewey, the NERDS team uses brain power and courage rather than gadgets when they face off against supervillian Simon, his band of savage squirrels, and Albert, a middle-aged computer genius who lives with his mother.

"A Fifth Avenue address, parties at the Plaza, two healthy sons, and the ideal husband: what looks like a perfect life for Katharina Edgeworth is anything but. It's 1954, and the post-war American dream has become a nightmare. A born and bred New Yorker, Katharina is the daughter of immigrants, Ivy-League-educated, and speaks four languages. As a single girl in 1940s Manhattan, she is a translator at the newly formed United Nations, devoting her days...

Aly fails to foresee the dangers that await as she uses her magic to safeguard Dova and her younger siblings, despite knowing that her thirteen-year-old charge might be queen of the Copper Isles when the colonial rulers are defeated.

“The best English novel since the war.” — Philip Roth

Over the course of his seemingly irreproachable life, Magnus Pym has been all things to all people: a devoted family man, a trusted colleague, a loyal friend—and the perfect spy. But in the wake of his estranged father’s death, Magnus vanishes, and the British Secret Service is up in arms. Is it grief, or is the reason for his disappearance more sinister?...