Stuart Gibbs

School may be out for summer, but top-secret training continues for aspiring spy Ben Ripley....

Twelve-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....

When Ben gets kicked out of the CIA's spy school, he enrolls with the enemy....

Can an undercover nerd become a superstar agent? Ben Ripley sure hopes so - and his life may depend on it....

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....

Ben Ripley has been caught in the snares of SPYDER more than once and knows to be suspicious of anything that seems too good to be true. So when Murray Hill offers to hand over the SPYDER elite, Ben knows there must be something going on. But his hesitation doesn’t stop the assignment....

In the eleventh book in the New York Times bestselling Spy School series, Ben Ripley goes on a rescue mission when one of his own is abducted from a remote Alaskan training facility.

Stranded in Mexico after nearly capturing the leaders of SPYDER, 13-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....

In the seventh novel in New York Times best-selling Stuart Gibbs’s FunJungle series, Teddy Fitzroy returns as FunJungle’s resident sleuth to solve the disappearances of endangered bison and an irreplaceable necklace....

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....

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....

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....

School troublemaker Vance Jessup thinks Teddy Fitzroy's home at Fun Jungle, a state-of-the-art zoo and theme park, is the perfect place for a cruel prank....

In the latest novel in New York Times best-selling author Stuart Gibbs’s FunJungle series, Teddy Fitzroy returns as FunJungle’s resident sleuth to solve his most improbable mystery yet - with a victim that’s 65 million years old....

When Nina Stack, the commander of Moon Base Alpha, mysteriously vanishes, the Moonies are at a total loss. Though he may be just 12 years old, Dashiell Gibson is the best detective they've got....

After an escaped kangaroo starts a fire that burns down his house, Teddy Fitzroy accepts an invitation to go to Malibu with his girlfriend, Summer, and her mother, Kandace. He’s hoping to spend some time relaxing on the beach, but wherever Teddy goes, trouble isn’t far behind....

Ben Ripley’s longtime nemesis, Murray Hill, has put a price on Ben’s head and accused him of being at the center of a conspiracy on the internet. Now Ben finds himself in his greatest danger yet, on the run from both assassins and conspiracy theorists....

In the thirteenth book in Stuart Gibbs’s New York Times bestselling Spy School series, superspy middle schooler Ben Ripley goes off the grid to eliminate a cybersecurity threat.

In the ninth novel in New York Times bestselling author Stuart Gibbs’s FunJungle series, resident sleuth Teddy Fitzroy is on the case to find a missing elephant and clear his friend of vandalism.

Ben Ripley is recruited for a top secret mission to bring down his nemesis, Murray Hill, once and for all. But when things go horribly wrong, Ben ends up lost in an extremely dangerous wilderness with Murray—and confronting a new, devious enemy—with none of his friends to help him.