In the latest novel in New York Times bestselling 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.Teddy was all set for a campout at his friend Sage's family ranch—but then Sage gets terrible news: The skull of a rare dinosaur that was being excavated on his property has mysteriously vanished overnight in the middle of a rainstorm, even though it weighed 500 pounds. Not a single footprint has been left behind. Since the dinosaur was top secret, the police don't believe anyone outside the dig could have stolen it. A T-rex skull can sell for millions of dollars, and everyone is a suspect—including J.J. McCracken, the owner of FunJungle. Meanwhile, Teddy's old foes, the Barksdale twins, have gotten into trouble with an illegally purchased anaconda, and Teddy's girlfriend Summer wants to find out who's...

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...

"Fast-paced, smart, and action-packed...a real page-burner." —Chris Grabenstein, #1 New York Times bestelling 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...

In the eighth novel in New York Times bestselling Stuart Gibbs's FunJungle series, Teddy Fitzroy returns as FunJungle's resident sleuth to find the culprits behind a blown-up whale and a string of beach sand thefts.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. First, a massive dead whale has washed up on the beach—and before anyone can determine what killed it, it explodes. Doc, the head vet from FunJungle, suspects something fishy is going on and ropes Teddy and Summer into helping him investigate. Then, Teddy stumbles upon yet another mystery involving tons of stolen sand. And the paparazzi start spreading rumors about Summer dating a celebrity, leading Teddy to question their relationship. Without...

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 this third book in the Charlie Thorne series from bestselling author Stuart Gibbs, Charlie tracks down Cleopatra's greatest treasure in Egypt.Charlie Thorne is a genius. Charlie Thorne is a renegade. Charlie Thorne isn't going down without a fight. After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet. In 30 BCE, Cleopatra and her husband, Marc Antony, lost their war against Octavian for control of the Egyptian Empire. However, Cleopatra knew Octavian was really after the mysterious item that was the source of all her wealth and influence, so she hid it before committing suicide. She left a series of devious clues behind for her children to find it, but they were lost to history...until now. In a breathless adventure that takes her across the globe, Charlie must fight...

Ben goes undercover in the White House to take on a SPYDER operative determined to assassinate the president in this latest addition to the New York Times bestselling Spy School series.Thirteen-year-old Ben Ripley has had a lot of field success despite only just beginning his second year at Spy School, something graduates rarely experience. But he'd never have survived without the help from experienced agents and his friends. Now he's been called in on a solo mission—and the fate of the United States of America is on his shoulders alone. The Mission: Prevent a presidential assassination by infiltrating the White House, and locating the enemy operative. But when the president's son is as helpful as a hamster, and a trained SPYDER agent would never appear to be up to something (they're far too clever for that), Ben may be in over his head this time. And when everything goes wrong, Ben must rely on his Spy School friends to save his...

Teddy Fitzroy returns as FunJungle’s resident zoo sleuth when a rhinoceros is at risk in Big Game, a companion to Belly Up and Poached—which Kirkus Reviews called a “thrill-ride of a mystery.”When someone takes aim at Rhonda Rhino, FunJungle’s pregnant (and endangered) white rhinoceros, the zoo steps up security measures in order to protect this rare animal and her baby. But the extra security isn’t enough—someone is still getting too close for comfort. Teddy and company start to suspect that whoever is after Rhonda is really after her horn, which is worth a lot of money on the black market. For the first time ever, the head of the zoo enlists Teddy for help—for once, he doesn’t have to sneak around in order to investigate—and the results are even more wacky, and even more dangerous, than ever before.

New York Times bestselling series Tensions are running high when multi-billionaire 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 bestselling Moon Base Alpha series.Moon Base Alpha was supposed to be an exciting place to live, but Dash didn't expect for it to be this exciting. After solving a murder and rescuing the moon base commander, he just wants to have a calm, quiet thirteenth birthday. But of course multi-billionaire and total pain Lars Sjoburg ruins it—by being poisoned. Now there's a murderer loose on Moon Base Alpha again. And Dash is charged with finding out who it could have been. Everyone has a motive, and time is running out.

Greg Rich has traveled through time, become one of the legendary Musketeers, and--most recently-- prevented the Spanish army from attacking Paris. He should feel invincible. Instead, he and his friends languish in prison, having stumbled into a trap set by Milady and the Prince of Condé.But Greg didn't come to the seventeenth century to sit in a jail cell and await execution. He, Aramis, Athos, and Porthos are Musketeers, and King Louis is in immediate danger of being overthrown by the scheming prince. Faster than they can say "All for one, and one for all," the boys plot to break out of prison, defend Louis, and return Greg and his parents to the twenty-first century.Amid narrow escapes, flying arrows, and fiery explosions, the Musketeers battle to save the king-- and history itself. Because if the past changes, what happens to Greg's future?

Teddy Fitzroy's back for another zoo mystery—this time it's a koala caper—in this action-packed follow-up to Belly Up, which Kirkus Reviews called "great fun."School troublemaker Vance Jessup thinks Teddy Fitzroy's home at FunJungle, a state-of-the-art zoo and theme park, is the perfect place for a cruel prank. Vance bullies Teddy into his scheme, but the plan goes terribly awry. Teddy sneaks into the koala exhibit to hide out until the chaos dies down. But when the koala goes missing, Teddy is the only person caught on camera entering and exiting the exhibit. Teddy didn't commit the crime—but if he can't find the real culprit, he'll be sent to juvie as a convicted koala-napper.

Ben Ripley enrolls in ski school, where the slopes, and the stakes, get really steep in this companion to the Edgar Award–nominated Spy School, Spy Camp, and Evil Spy School.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. 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. Jessica wants to go to ski school in the Rocky Mountains, so a select few spy school students are going skiing too—under cover, of course. Ben might not be able to handle...

Can an undercover nerd become a superstar agent? Ben Ripley sure hopes so - and his life may depend on it!Ben Ripley may only be in middle school, but he's already pegged his dream job: C.I.A. or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent." In fact, Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior C.I.A. academy. Could the C.I.A. really want him? Actually, no. There's been a case of mistaken identity - but that doesn't stop Ben from trying to morph into a supercool undercover agent, the kind that always gets the girl. And through a series of hilarious misadventures, Ben realizes he might actually be a halfway decent spy...if he can survive all the attempts being made on his life!

The moon base commander has gone missing and Dash Gibson is on the case in the second mind-boggling mystery of the Moon Base Alpha series from the New York Times bestselling author of Belly Up and Spy School.There's nowhere to hide on the world's first moon base. After all, it's only the size of a soccer field. So when Nina Stack, the commander of Moon Base Alpha, mysteriously vanishes, the Moonies are at a total loss. Though he may be just twelve years old, Dashiell Gibson is the best detective they've got. But this confusing mystery pushes Dash to his limits. Especially since Dash accidentally made contact with an alien and has to keep it a secret. With the fate of the entire human race hanging in the balance, will Dash be able to solve the mystery of the missing Moonie?