Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time, well that's just crazy. But that doesn't stop Florian Bates! Along with his best friend, and Watson to his Sherlock, Margaret, Florian's making the case that kids can do anything. When Florian and Margaret's FBI supervisor, Marcus Rivers, is accused of a crime, it's up to this mystery-solving duo to jump into action and clear his name because Marcus is more than their boss - he's family.

After thwarting a notorious villain at an eco-summit in Paris, the City Spies are gearing up for their next mission. Operating out of a base in Scotland, this secret team of young agents working for the British Secret Intelligence Service’s MI6 division have honed 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.  

Most kids have enough to deal with between school, homework, extracurricular activities, and friends, but Molly Bigelow isn't your typical tween. By day, Molly attends MIST - the Metropolitan Institute of Science and Technology - but it's what she's learning outside of school that sets her apart from her classmates. Molly is a zombie hunter, just like her mother.

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.

Thanks to the evidence Ben uncovered in his investigation of the Croatoan, the CIA has tracked his nemesis, Murray Hill, to Central America, where they believe he is boarding the world’s biggest cruise ship, The Emperor of the Seas, on its maiden voyage around the world. His mission: Pose as part of a family, with Alexander and Catherine Hale as his parents, Erica as his sister, and his best friend, Mike, as his brother, to find out what Murray is plotting. 

Twelve-year-old Theodore “Teddy” Roosevelt Fitzroy believes that Henry, the hippopotamus at the brand-new FunJungle, has been murdered. The zoo’s top brass claim the hippo went belly up the natural way, but Teddy and his feisty friend Summer McCraken have other ideas. Could the culprit be FunJungle’s animal-hating head of operations? Or is it FunJungle’s owner - Summer’s dad - a man who is much more concerned about money than animal welfare? The deeper Teddy and Summer dig, the more danger they’re in - because when it comes to hippo homicide, the truth can’t be caged! 

After a botched escape plan from her boarding school, Abigail is stunned to discover the school is actually a cover for an elite spy ring called The Center, along with being training grounds for future spies. 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.  

On a foggy night in Amsterdam, a man falls from a rooftop to the wet pavement below. It's Archibald McQuinn, the notorious cat burglar, and he's dying. As sirens wail in the distance, Archie manages to get out two last words to his young son, March: "Find jewels." But March learns that his father is not talking about hidden loot. He's talking about Jules, the twin sister March never knew he had. No sooner than the two find each other, they're picked up by the police and sent to the world's worst orphanage. It's not hard time, but it feels like it.

Tensions are running high when multibillionaire Lars Sjoburg is poisoned and demands to go home, and everyone is looking to Dash Gibson to solve the case in this third and final book in the New York Times best-selling Moon Base Alpha series.

Teddy Fitzroy returns as FunJungle's resident sleuth when the zoo's newest addition goes missing - before she even arrives! - in Panda-monium, the latest novel in Stuart Gibbs's FunJungle series.

While sleeping on the roof of his father's hotel-spy school, 13-year-old Lucas Benes finds a baby alone and learns that the Good Company has restarted its profitable brainwashing business. Brainwashed (Crime Travelers Spy Series book number one) tracks the secret urban adventures of the new resistance, a school of international teenage spies. Lucas leads a group of friends through the hotspots of Paris - from the catacombs to the Eiffel tower - in an all-out effort to sabotage a brainwashing ceremony that could potentially turn them all into "good" kids.

As the son of the world’s most famous tech billionaire, spoiled Jett Baranov has always gotten what he wanted. So when his father’s private jet drops him in the middle of the Arkansas wilderness, at a place called the Oasis, Jett can’t believe it. He’s forced to hand over his cell phone, eat grainy veggie patties, and participate in wholesome activities with the other kids, who he has absolutely no interest in hanging out with.

Will the twins make it back home to California in one piece, or will they fall off the top of the Golden Gate Bridge? It's all coming to an end with this fifth book in the Genius Files series. You'll have to listen to believe it!

Cruz Coronado leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists to become the next generation of great explorers. But for Cruz, there's more at stake. No sooner has he arrived at the Academy than he discovers that his family has a mysterious past with the organization that could jeopardize his future. In the midst of codebreaking and cool classes, new friends, and augmented reality expeditions, Cruz must tackle the biggest question of all: Who is out to get him, and why?

Thirty years ago, Wilde was found as a boy living feral in the woods, with no memory of his past. Now an adult, he still doesn't know where he comes from, and another child has gone missing. No one seems to take Naomi Pine's disappearance seriously, not even her father - with one exception. Hester Crimstein, a television criminal attorney, knows through her grandson that Naomi was relentlessly bullied at school. Hester asks Wilde - with whom she shares a tragic connection - to use his unique skills to help find Naomi.