Eight-year-old spy Adam Sharp pursues the very short Ambassador of Barkastan, who has stolen a top secret computer program, DOGBARK, that will let him understand the language of dogs.

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.

In this gripping page-turner, an ex-agent on the run from her former employers must take one more case to clear her name and save her life.
She used to work for the U.S. government, but very few people ever knew that. An expert in her field, she was one of the darkest secrets of an agency so clandestine it doesn't even have a name. And when they decided she was a liability, they came for her without warning.
Now she rarely stays in...

Originally published: New York : Doubleday, c1977.

Veteran governess Laura Grey joins the Selwick Spy School expecting to find elaborate disguises and thrilling adventures in service to the spy known as the Pink Carnation. She hardly expects her first assignment to be serving as governess for the children of André Jaouen, right-hand man to Bonaparte's minister of police.

At first the job is as lively as Latin, but Laura begins to notice Jaouen's increasingly strange behavior. As Laura edges

...

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.

Genius Cammie Morgan begins the spring semester of her sophomore year with many questions about her ex-boyfriend, mother, and the last term, and intends to use her spying abilities to have them answered.

Two married academics are recruited to search for a missing spy in this bestselling espionage thriller that takes readers into the heart of Nazi Germany just before World War II
 
Richard and Frances Myles are preparing for their annual European summer vacation in 1939 when they are visited at their Oxford college by old friend Peter Galt, who has a seemingly simple job for them. But in the heightened atmosphere of pre-war...

Hardened by years of being hunted each St. Stephen's Day in tiny Kilshamble, Ireland, seventeen-year-old Wren, an Augur, is sent as a spy to the home of the most powerful Judge to try to regain control of the ancient, powerful magic her people once held.

While on a mission aboard the The Emperor of the Seas, Ben Ripley faces off against his arch enemy, Murray Hill, on the high seas and quickly finds himself in hot water as things take a dangerous turn.