Superspy middle schooler Ben Ripley faces the Croatoan—a new evil organization that’s so mysterious, the only proof it exists is from the American Revolution—in this latest addition to the New York Times bestselling Spy School series. With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you’re a superspy in training. For once, everything seems to be right in Ben’s world...until someone bombs the CIA conference room next door. To Ben’s astonishment, the attacker is none other than Erica Hale, the spy-in-training he respects more than any other. Ben refuses to believe Erica is working for the enemy...even if the rest of the CIA does. His mission: prove Erica is not a double agent working against the US, locate the fabled colonial-era insurgent group that’s blackmailing her, figure out what their devious plot is, and thwart it. But this time, Ben finds himself up against opponents he has never encountered before: his own friends. They’re not as ready to trust in Erica as he is, and Ben is forced to rely on his own wits and skills more than ever before. How can he succeed when he doesn’t even know who he can trust?

In the eighth book in the New York Times bestselling Spy School series, Ben Ripley faces the Croatoan—a new evil organization that’s so mysterious, the only proof it exists is from the American Revolution. With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you’re a superspy in training. Until someone bombs the CIA conference room next door. To Ben’s astonishment, the attacker is none other than Erica Hale, the spy-in-training he respects more than any other. His mission: prove Erica is not a double agent working against the US, locate the fabled colonial-era insurgent group that’s blackmailing her, figure out what their devious plot is, and thwart it. But this time, Ben finds himself up against opponents he has never encountered before: his own friends. How can he succeed when he doesn’t even know who he can trust?

The eighth book in the New York Times bestselling Spy School series that’s perfect for fans of Chris Grabenstein! Superspy middle schooler Ben Ripley faces the Croatoan—a new evil organization that’s so mysterious, the only proof it exists is from the American Revolution. With SPYDER defeated, Ben Ripley is looking forward to his life getting back to normal, or as normal as possible when you’re a superspy in training. For once, everything seems to be right in Ben’s world...until someone bombs the CIA conference room next door. To Ben’s astonishment, the attacker is none other than Erica Hale, the spy-in-training he respects more than any other. Ben refuses to believe Erica is working for the enemy...even if the rest of the CIA does. His mission: prove Erica is not a double agent working against the US, locate the fabled colonial-era insurgent group that’s blackmailing her, figure out what their devious plot is, and thwart it. But this time, Ben finds himself up against opponents he has never encountered before: his own friends. They’re not as ready to trust in Erica as he is, and Ben is forced to rely on his own wits and skills more than ever before. How can he succeed when he doesn’t even know who he can trust?

Superspy middle schooler Ben Ripley is finally going to take SPYDER down, once and for all, in this latest addition to the New York Times bestselling Spy School series. Stranded in Mexico after nearly capturing the leaders of SPYDER, thirteen-year-old Ben Ripley desperately needs to take a shower. But even more so, he and his spy school friends need to come up with a new plan to defeat their enemies, their only clue a key that opens…something. The Mission: Go rogue from the CIA, join up with the British MI6 to locate the leader of SPYDER, the enigmatic Mr. E, and bring down the evil organization once and for all. Only it won’t be easy. They’ll have to deal with rival evil splinter factions, devious double-crosses and learning to drive on the opposite side of the road. But they have no other choice: this is their last and final chance to crack the code on SPYDER.

In the second book in the New York Times bestselling Spy School series, top-secret training continues into summer for aspiring spy Ben Ripley—and so does the danger. Ben Ripley is a middle schooler whose school is not exactly average—he’s spent the last year training to be a top-level spy and dodging all sorts of associated danger. So now that summer’s finally here, Ben would like to have some fun and relax. But that’s not going to happen during required spy survival training at a rustic wilderness camp, where SPYDER, an enemy spy organization, has infiltrated the spies’ ranks. Can Ben root out the enemy before it takes him out—for good?

In the fourth book in the New York Times bestselling Spy School series, Ben Ripley enrolls in ski school, where the slopes, and the stakes, get really steep. Thirteen-year-old Ben Ripley is not exactly the best student spy school has ever seen—he keeps flunking Advanced Self Preservation. But outside of class, Ben is pretty great at staying alive. His enemies have kidnapped him, shot at him, locked him in a room with a ticking time bomb, and even tried to blow him up with missiles. And he’s survived every time. After all that unexpected success, the CIA has decided to activate Ben for real. The Mission: Become friends with Jessica Shang, the daughter of a suspected Chinese crime boss, and find out all of her father’s secrets. Ben might not be able to handle a weapon (or a pair of skis), but he can make friends easy-peasy. That is, until his best friend from home drops in on the trip and jeopardizes the entire mission…

In the sixth book in the New York Times bestselling Spy School series, Ben is taken to Mexico by his nemesis in the hopes that he’ll finally be able to take down SPYDER. Thirteen-year-old Ben Ripley has been caught in the snares of SPYDER more than once and knows well enough to be suspicious of anything that seems too good to be true—despite needing special tutoring in advanced survival techniques. So when Murray Hill finally breaks his silence with an offer to hand over the SPYDER elite, Ben knows that there must be something going on. But his hesitation doesn’t stop the assignment. The mission: Follow Murray Hill to an undisclosed location with no one else but Erica Hale to identify SPYDER leadership. However, as Ben suspected, nothing goes as planned, and what should be an easy mission quickly turns deadly. Ben and Erica will have to face rogue agents, trained killers, and even very hungry crocodiles in a race against the clock to find out what SPYDER is up to this time—and thwart their evil plans.

In this sequel to the New York Times bestselling Charlie Thorne and the Last Equation—which #1 New York Times bestselling author Chris Grabenstein called “a real page-burner”—Charlie searches for Charles Darwin’s hidden treasure in South America. Charlie Thorne is a genius. Charlie Thorne is a fugitive. Charlie Thorne isn’t even thirteen. After saving the world, Charlie is ready to take it easy in the Galapagos Islands. That is, until she’s approached by the mysterious Esmeralda Castle, who has a code she knows only Charlie can decipher. In 1835, Charles Darwin diverted his ship’s journey so he could spend ten months in South America on a secret solo expedition. When he returned, he carried a treasure that inspired both awe and terror in his crew. Afterward, it vanished, never to be seen again… But Darwin left a trail of clues behind for those brave and clever enough to search for it. Enter Charlie Thorne. In a daring adventure that takes her across South America, Charlie must crack Darwin’s 200-year-old clues to track down his mysterious discovery—and stay ahead of the formidable lineup of enemies who are hot on her tail. When an ancient hidden treasure is at stake, people will do anything to find it first. Charlie may be a genius, but is she smart enough to know who she can trust?

“Fast-paced, smart, and action-packed...a real page-burner.” —Chris Grabenstein, #1 New York Times bestselling author of the Mr. Lemoncello’s Library series From New York Times bestselling author Stuart Gibbs comes the first novel in a thrilling new series about the world’s youngest and smartest genius who’s forced to use her unbelievable code-breaking skills to outsmart Einstein. 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. In a breakneck adventure that spans the globe, Charlie must crack a complex code created by Einstein himself, struggle to survive in a world where no one can be trusted, and fight to keep the last equation safe once and for all.

Like many kids, Ben Ripley imagines life as a secret agent would be pretty amazing - so when he learns he's been recruited to the CIA's top secret Academy of Espionage, it sounds too good to be true. And it is. From the moment he arrives - and ends up in the middle of an enemy attack - Ben finds Spy School is going to be far more difficult, dastardly and dangerous than he expected. Even worse, he soon discovers that he hasn't been recruited to become a top agent; instead, he's been brought in as bait to catch a devious double agent. Now Ben needs a crash course in espionage so that he can catch the mole, prove his worth - and get the girl. It won't be easy, but it'll be a very fun - and very funny - ride.