Having assumed the identity of a young D’Artagnan, Greg Rich is beginning to get the hang of things in 1615 Paris. But he hasn’t figured out how to get home yet. Or how to defeat the dangerous Michel Dinicoeur, who has made it his mission to destroy Greg, Athos, Aramis, and Porthos. When Dinicoeur escapes the Bastille and flees to Spain, the Musketeers charge after him, only to be ambushed. Someone is anticipating their every move. Could there be a traitor in their midst?

Through a series of fascinating events, Homer's older brother has been illegally sold to the Union Army. It is up to Homer to find him and save him. Along the way, he encounters strange but real people of that era: two tricksters who steal his money, a snake-oil salesman, a hot-air balloonist, and finally, the Maine regiment who saved Little Round Top at the Battle of Gettysburg and won the war for the Union.

Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time. 

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.

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. 

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. Ben must find Murray before his machinations catch up to Ben—but with so much at stake, even some of Ben’s most trusted friends might not be at the top of their game, leaving Ben to be tested like never before.

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.

Teddy Fitzroy, his family, and some other FunJungle employees have been invited to visit a bison ranch just outside Yellowstone National Park that FunJungle’s owner, J.J. McCracken, is considering purchasing. But as usual, trouble isn’t far behind. The ranch’s endangered bison have been mysteriously disappearing. Then a massive local grizzly bear named Sasquatch breaks into the house, causing chaos. In the aftermath, Kandace McCracken discovers that her exceptionally expensive sapphire necklace has vanished.

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! 

Sara Martinez is a hacker. 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 MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Sometimes, your case takes a left turn. Or three or four. Marten Mingenstern and Boog Eggstrom are provisional inspectors, fresh out of Inquisitor’s Guild training and eager to prove themselves. Assigned the mundane task of tracking down stolen jewels, they instead uncover a mysterious cult set on destroying the city. After a thief explodes, they earn the enmity of a vicious noble, the Chief Inquisitor gets bought off and goes rogue, they are seized by barbarians, and they are sentenced to death at least a couple of times.

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! Get to know the only kid on the FBI director's speed dial - and several international criminals' most wanted lists - in this adventurous series that School Library Journal says combines "elements of Alex Rider, James Bond, and Sherlock Holmes". 

The thrilling finale to the New York Times best-selling Masterminds series from middle grade star author Gordon Korman. Perfect for fans of Rick Riordan and James Patterson. After a serious betrayal from one of their former friends, the clones of Project Osiris are on the run again. Now separated into pairs, Eli and Tori and Amber and Malik are fighting to survive in the real world.

Keenan has lived all over the world but nowhere quite as strange as Centerlight Island, which is split between the US and Canada. The only thing weirder than Centerlight itself is his neighbor Zarabeth, a.k.a. ZeeBee. ZeeBee is obsessed with the island’s history as a Prohibition-era smuggling route. She’s also convinced that her beloved dog, Barney, was murdered - something Keenan finds pretty hard to believe. Just about everyone on Centerlight is a suspect, because everyone hated Barney, a huge dog - part mastiff, part rottweiler - notorious for terrorizing the community.

Having assumed the identity of a young D’Artagnan, Greg Rich is beginning to get the hang of things in 1615 Paris. But he hasn’t figured out how to get home yet. Or how to defeat the dangerous Michel Dinicoeur, who has made it his mission to destroy Greg, Athos, Aramis, and Porthos. When Dinicoeur escapes the Bastille and flees to Spain, the Musketeers charge after him, only to be ambushed. Someone is anticipating their every move. Could there be a traitor in their midst?

Greg Rich should feel invincible. After all, he’s traveled through time, become one of the legendary Musketeers, and - most recently - prevented the Spanish army from attacking Paris. Instead, he and his friends are languishing in prison, having fallen into a trap set by Milady and the prince of Condé. But Greg didn’t come to the 17th century to sit in a jail cell and await execution. He, Aramis, Athos, and Porthos need to get to King Louis, who is in immediate danger of being overthrown by the scheming prince. 

In an alternate 1875 America, electricity is forbidden, Native Americans and Yankees are united, and eldritch evil lurks in the shadows. Young Archie Dent knows there really are monsters in the world. His parents are members of the Septemberist Society, whose job it is to protect humanity from hideous giants called the Mangleborn. Trapped in underground prisons for a thousand years, the giant monsters have been all but forgotten - but now they are rising again as the steam-driven America of 1875 rediscovers electricity, the lifeblood of the Mangleborn.

All her life, Cricket's mama has told her stories about a secret room painted by a mysterious artist. Now Mama's run off, and Cricket thinks the room might be the answer to getting her to come back. If it exists. And if she can find it. Cricket's only clue is a coin from a grown-over ghost town in the woods. So with her daddy's old guidebook and a coat full of snacks stolen from the Cash 'n' Carry, Cricket runs away to find the room.

There's a lot Emma wants to tell her mother about: her job leading cemetery walking tours, her new drum set, and the fact that the town's most famous ghost, the Morning Glory, seems to be trying to send Emma a message. But Emma can't share any of this, because Emma's mom is dead. Luckily there's a loophole. The women in Emma's family all have a special destiny that comes to them in the form of a dream, and when they finally achieve this destiny, they're rewarded with a vision of all their extraordinary ancestors.

On the outside, Yumi Chung suffers from #shygirlproblems, a perm-gone-wrong, and kids calling her "Yu-MEAT" because she smells like her family's Korean barbecue restaurant. On the inside, Yumi is ready for her Netflix stand-up special. Her notebook is filled with mortifying memories that she's reworked into comedy gold. All she needs is a stage and courage.

Otto and Sheed are the local sleuths in their zany Virginia town, masters of unraveling mischief using their unmatched powers of deduction. And as the summer winds down and the first day of school looms, the boys are craving just a little bit more time for fun, even as they bicker over what kind of fun they want to have. That is, until a mysterious man appears with a camera that literally freezes time. 

Through a series of fascinating events, Homer's older brother has been illegally sold to the Union Army. It is up to Homer to find him and save him. Along the way, he encounters strange but real people of that era: two tricksters who steal his money, a snake-oil salesman, a hot-air balloonist, and finally, the Maine regiment who saved Little Round Top at the Battle of Gettysburg and won the war for the Union.

Books 1-3 of the Captive series. Blood slave. Captured, taken from her beloved family and woods, Aria's biggest fear is not the imminent death facing her but that she will be chosen as a blood slave for a member of the ruling vampire race.

Among the students of Pimlico Academy, Red, Leo, Rose, and Naomi are misfits - outsiders who have found a safe haven in music and their band, Mirror, Mirror. For these 16-year-olds, fitting in at school is nearly as difficult as navigating their complicated home lives. Red has an alcoholic mother and a father who's never around. Leo's brother is in prison. Rose uses sex and alcohol to numb the pain of a brutal attack. Naomi's punk rock princess persona gives her the freedom to be her true self.

Teddy Fitzroy, his family, and some other FunJungle employees have been invited to visit a bison ranch just outside Yellowstone National Park that FunJungle’s owner, J.J. McCracken, is considering purchasing. But as usual, trouble isn’t far behind. The ranch’s endangered bison have been mysteriously disappearing. Then a massive local grizzly bear named Sasquatch breaks into the house, causing chaos. In the aftermath, Kandace McCracken discovers that her exceptionally expensive sapphire necklace has vanished.