Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now it’s up to her to save the world. Decades ago, Albert Einstein devised an equation that could benefit all life on earth—or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first—even though this means placing her life in grave danger!

    Summer, 1940.Hitler's army is advancing towards Paris, and millions of French civilians are on the run.Amidst the chaos, two British children are being hunted by German agents.British spy Charles Henderson tries to reach them first, but he can only do it with the help of a twelve-year-old French orphan.The British secret service is about to discover that kids working undercover will help to win the war.For official purposes, these children do not exist.

    He finds what he's looking for in the Sea Cadets-an elite group of British youngsters being groomed for lifelong service in the military. But when a routine training exercise goes awry, Jason finds himself in the middle of a secret mission. The future of the world hangs in the balance...and Jason might be the only one who can save it.

    She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI6 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world. When they’re not attending the local boarding school, they’re honing their unique skills, such as sleight of hand, breaking and entering, observation, and explosives. All of these allow them to go places in the world of espionage where adults can’t. Before she knows what she’s doing, Sarah is heading to Paris for an international youth summit, hacking into a rival school’s computer to prevent them from winning a million euros, dangling thirty feet off the side of a building, and trying to stop a villain…all while navigating the complex dynamics of her new team. No one said saving the world was easy…

    He never imagined traipsing around war-torn London, solving ciphers, practicing surveillance, and searching for a traitor to the Allied forces. He certainly never expected that a strong-willed American girl named Eleanor would play Watson to his Holmes (or Holmes to his Watson, depending on who you ask).But when a young woman goes missing, leaving behind a coded notebook, Bertie is determined to solve the mystery. With the help of Eleanor and his friend David, a Jewish refugee--and, of course, his trusty pup, Little Roo--Bertie must decipher the notebook in time to stop a double agent from spilling the biggest secret of all to the Nazis.From the author of The Great Trouble, this suspenseful WWII adventure reminds us that times of war call for bravery, brains and teamwork from even the most unlikely heroes.

    Even more shocking? Abigail’s mother is a top agent for The Center and she has gone MIA, with valuable information that many people would like to have—at any cost. Along with a former nemesis and charming boy from her grade, Abigail goes through a crash course in Spy Training 101, often with hilarious—and sometimes painful—results. But Abigail realizes she might be a better spy-in-training than she thought—and the answers to her mother’s whereabouts are a lot closer than she thinks…

    She and her slick side-kick butler, Hitch, foil crimes and get into loads of scrapes with evil villains, but they're always ice-cool in a crisis.

    His conspiracy theories about the lost technology of Cold War–era rocket scientist Dr. Aloysius Underberg may have cost him his job and forced them to move to the middle of nowhere, but Gillian knows he's right and plans to prove it.When she discovers a missing page from Dr. Underberg's diary in her father's mess of an office, she thinks she's found a big piece of the puzzle—a space-themed riddle promising to lead to Dr. Underberg's greatest invention. Enlisting the help of her skeptical younger brother, Eric, her best friend, Savannah, and Howard, their NASA-obsessed schoolmate, Gillian sets off on a journey into the ruins of Omega City, a vast doomsday bunker deep inside the earth,.But they aren't alone inside its dark and flooded halls. For while Gillian wants to save her dad's reputation by bringing Dr. Underberg's secrets to light, there are others who will stop at nothing to make sure they stay buried . . . forever.

    But when his mother makes him take Gobija Zaksauskas—their quiet, geeky Lithuanian exchange student—to the prom, he never expects that his ordinary high school guy life will soon turn on its head. Perry finds that Gobi is on a mission, and Perry has no other choice but to go along for a reckless ride through Manhattan’s concrete grid with a trained assassin in Dad’s red Jag.Infused with capers, car chases, heists, hits, henchmen, and even a bear fight, this story mixes romance, comedy, and tragedy in a true teen coming-of-age adventure—and it’s not over until it’s “au revoir.”

    There are places where brave men and women fight a never-ending battle against evil in order to keep our country and all other countries safe. There are places where the fate of our planet is being decided, even now as we speak, the consequences of which will echo through history.None of these places are in North Dakota.Carson Fender, seventh grader and notorious prankster, knows this. He's lived in North Dakota for his entire life, going to the same boring school every day, the same boring movie theater every week, and the same boring state fair every year. Nothing ever changes, and nothing ever happens. That is, until today. Because today a desperate man is going to hand him a package with a dire set of instructions. And that package is going to lead Carson to discover that there's a secret government agency operating in his small, quiet North Dakota hometown.And that this agency needs his help.

    This is a story filled with humor, adventure, and gadgetry that only a genius like Fleming could create.From the Hardcover edition.

    Instead, it marks the beginning of a whole new life. Soon he has become the most successful -- and elusive -- burglar in Victorian London, plotting daring raids and using London's new sewer system to escape. He adopts a dual existence to fit his new lifestyle, taking on the roles of a respectable, wealthy gentleman named Montmorency and his corrupt servant, Scarper.

    With the help of cutting-edge science, their nerdy qualities are enhanced and transformed into incredible abilities. They battle the Hyena, a former junior beauty pageant contestant turned assassin, and an array of James Bond–style villains, each with an evil plan more diabolical and more ridiculous than the last.

    Just married, leaving Los Angeles, and touring the United States with teenagers Q (Quest) and Angela in tow, the excitement heightens in Philadelphia when Angela realizes she's being followed. Q soon learns the secret about Angela's real mother - a former Secret Service agent.Readers are thrust into current issues affecting the world in this edge-of-your-seat, modern-day mystery adventure. I, Q readers will be immersed in the work of U.S. Secret Service, the Mossad, and the MI5. But who are the good guys and who are the bad guys? What happens to this newly formed family if Angela's mom is not dead?

    Cammie Morgan has spent her whole life dreaming of becoming a Gallagher Girl, but she has no idea what she’ll face when she arrives at The Gallagher Academy for Exceptional Young Women. Secret passages? Check. Lab experiments that might make you lose your eyebrows (and other body parts)? Check. Classmates who are the smartest, strongest, most intimidating girls in the world? Double check. Cammie might be a Gallagher legacy, but she's about to learn that the most intimidating part about the Gallagher Academy are the Gallagher Girls themselves. Soon Cammie and her clumsy-but-genius roommate Liz, and the glamorous Bex have to learn the most important lesson of the seventh grade: getting into spy school is hard. Surviving spy school is harder. Ally Carter is the author of many beloved series, including Heist Society and the Embassy Row novels, and Not If I Save You First.