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 Fun Jungle, 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.

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.

On a family trip to Paris, Greg Rich's parents disappear. They're not just missing from the city - they're missing from the century. So, Greg does what any other 14-year-old would do: He travels through time to rescue them. Greg soon finds out that his family history is tied to the legendary Three Musketeers. But when he meets them, they're his age, and they'll only live long enough to become true heroes if he can save them.

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. 

 In the last installment of the third arc of the Wings of Fire series, tensions are higher than ever as we prepare for a fight for the survival of all dragonkind! 

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.

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.

Tim is just a peasant, but he dreams big. He wants more out of life than to grow up to be a woodsman like his father. Unfortunately, the only route to success in the kingdom of Wyld is to be born a prince. Still, Tim is determined. He is brave and clever and always tries to do the right thing—even though he rarely gets the credit for it. Then news spreads that Princess Grace of the neighboring kingdom has been abducted by the evil Stinx and Prince Ruprecht needs a legion of knights to join him on his quest to rescue her. Tim finally has the lucky break he’s been waiting for.

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.

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! After helping the FBI solve an art theft at the National Gallery and uncovering a DC spy ring, Florian's finding life at Alice Deal Middle School a little boring. But that's all about to change! His FBI handler, Marcus, has a job for him! Is it a bank robbery? Counterfeit ring? International espionage? Actually it's middle school pranks...

 When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world. 

The morning after Hurricane Leo rips through the town of Canaan, residents awaken to widespread destruction—power outages, downed branches, uprooted trees, broken windows and damaged roofs. Four eighth-grade friends—Evan, Jason, Mitchell, and CJ—meet to explore the devastation. The tight-knit group is dismayed to find that Evan has brought along a stray—Ricky, who is new to their town and school, and doesn’t have any friends yet.  

One warm night four children stood in front of a bakery. No one knew them. No one knew where they had come from. Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family? 

Kyle Keeley is the class clown, popular with most kids, (if not the teachers), and an ardent fan of all games: board games, word games, and particularly video games. His hero, Luigi Lemoncello, the most notorious and creative game maker in the world, just so happens to be the genius behind the building of the new town library. Lucky Kyle wins a coveted spot to be one of the first 12 kids in the library for an overnight of fun, food, and lots and lots of games. But when morning comes, the doors remain locked. Kyle and the other winners must solve every clue and every secret puzzle to find the hidden escape route.