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Nate the Great loves his mother’s Monster Cookies. But now her Monster Cookie recipe is missing! Nate and his dog, Sludge, get to work. They find lots of clues. But which ones count? Will Nate ever eat those wonderful cookies again? 

I, Nate the Great, have something to say. My cousin, Olivia Sharp, is almost (but not quite) the world's best detective. I solve mysteries. She's an agent for secrets. You won't forget Olivia. She won't let you. Meet Olivia Sharp. She's bold. She's eager to help people. She's a special kind of detective. She's an agent for secrets. Duncan is Olivia's first case. He believes that the world is coming to an end. And he wants her help. So, Olivia puts on her feather boa. Her driver brings the limo. Soon enough, Olivia knows just what to do. But how will 50 pizzas make Duncan happy?

A giant turkey is on the loose! Nate, the great detective, and his dog, Sludge, hear the news on the radio. But Nate doesn't want to take a case that everyone in town is on. Not even when Claude claims that he saw the turkey, then lost him in the woods. He holds up a turkey feather to prove it. Now Sludge wants the case. Claude wants Sludge, and off they go. Miles away...Nate's cousin Olivia Sharp - herself a detective - hears about the missing turkey on TV. Before he can say gobble, gobble, Olivia appears on Nate's doorstep.

Welcome, boys and girls, listeners of all ages, to the first-ever Library Olympics! Kyle and his teammates are back, and the world-famous game maker Luigi Lemoncello is at it again! This time Mr. Lemoncello has invited teams from all across America to compete in the first-ever Library Olympics. But something suspicious is going on...books are missing from Mr. Lemoncello’s library. Is someone trying to censor what the kids are reading? Now it’s not just a game—can Mr. Lemoncello find the real defenders of books and champions of libraries?

Tilly Pages is a bookwanderer; she can travel inside books and even talk to the characters she meets there. But Tilly’s powers are put to the test when fairy tales start leaking book magic and causing havoc. On a wintry visit to Paris, Tilly and her best friend Oskar bravely bookwander into the land of fairy tales to find that characters are getting lost, stories are all mixed up, and mysterious plot holes are opening without warning. Can Tilly work out who, or what, is behind the chaos so everyone gets their happily ever after?

Pedro and Katie are visiting Pedro’s Aunt Carmen’s farm. A frowning scarecrow has the kids spooked. Shadows and creepy sounds have Katie convinced that old scarecrow is haunted. But could there be another explanation?

Katie and Pedro are enjoying a night of camping, but when it gets dark, Katie feels nervous. Her dad tells her that it won’t be very dark for long. Why? It’s a mystery that will be revealed with time. What other discoveries will Katie and Pedro make during their wait to solve the mystery?

Katie, Pedro, and their moms are headed out for an afternoon of canoeing. But Katie and her mom get separated from the other canoe, and before long, Pedro and his mom are worried. Where could they have gone to? The search is on for Katie Woo and her fishy canoe!

A child-snatching phantom called La Llorona, known to generations of terrified Hispanic kids, has been haunting the area where chupacabra Pepe and his family live. She’s responsible for a sudden rash of missing people, including Pepe’s trusted friends. Pepe begs Jorge and his chupacabra friend Carter for their help, but solving the mystery would mean secretly traveling from New Mexico to Jorge’s hometown of Los Angeles, along with their loyal buddies Liza and Ernie.

For the first time since Sky got to Area 51, things seem to be under control. No bunker hideouts. No incoming space toilets. No kidnappings of beloved relatives. In fact, everyone is in a celebratory mood because a special government visitor is coming to Area 51! But on the morning of the visit, a UFO goes missing from the science lab. And then a mysterious whistleblower goes to the media saying they have evidence of a UFO landing! Did someone steal the UFO in order to reveal it to the whole wide world?

I liked the school in Forgotten. The teachers were nice, and the classrooms were much cleaner than my school in Ft. Worth. But the kids were hateful. They called me names because I was quiet and kept to myself. Especially Abby Frost. She was the meanest and most popular girl in sixth grade. But it was fine. I didn't want to make friends with anyone—and I didn’t. At least…not until the black cat showed up.

In this sci-fi mystery story, a gang of crime-fighting kids try to figure out who stole a shipment of iMod devices on the moon. These private investigators visit the megastore chain Star Mart, where they suspect one of the workers on the loading dock is guilty of the crime.

Sherlock Holmes is on the case! A crime is committed at the British Museum, and Holmes must use his famous detective deduction skills and work together with John Watson to parse out the clues and find the culprit. When surprise guest H.G. Wells makes an appearance, however, everything Holmes knows to be true is thrown into question!

When a herd of elephants interrupts the big Friday night football game, the police enlist Teddy and his father to assist them in getting the animals safely back home to the elephant sanctuary. Only when they arrive, their owners realize one of the elephants has gone missing! The lone African elephant, Tanzy, is still out there somewhere.

The super secret agency fights video game monsters that have leaked into the real world. Together, with an unhinged, talking spaceship sidekick, an agency that isn’t set up to work with child agents, and a war wagon chock-full of royally epic gear, Max and Zoe face an endless supply of video game baddies. And if that isn’t crazy enough, they discover secrets of their past, unraveling a mystery around their missing mother.

It's up to Winnie to solve a mystery and save a circus horse. But Winnie faces her own mystery as she struggles to keep her family from changing and to hold on to things as they are. She'll learn to appreciate God, who never changes no matter what else may threaten.

Summer is in full swing at The Number Nine Plaza, the world's largest and most fabulous department store, and best friends Zander and Natasha are looking forward to weeks of discovery after thwarting the vengeful Darkbloom's attempt to destroy The Nine. But has the danger truly passed? Store employees begin acting oddly, a long-lost clue to an ancient store mystery is uncovered, and Zander and Natasha themselves become targets for attack.

It’s a cloudy day on the Sacred Kidney playground, but Jake likes it that way—dark and uncertain. For a junior detective like Jake, standing up to bad guys is a piece of cake. After all, she’s the only detective at Sacred Kidney Elementary with a hard-earned badge to her name. But just as Jake and her sidekick Sterling prepare to face off against the biggest bully in school, there’s a scream from inside the library.

UNA AVENTURA EXTRAORDINÀRIA AL FONS DEL MAR. La Lina viu amb el seu avi des que la seva mare va desaparèixer al mar deu anys enrere. Un dia, només ella comença a sentir una cançó que sembla que prové de l'oceà. Aleshores la Lina, juntament amb el seu avi i en Melvil, el seu amic robot, emprenen un viatge cap a les profunditats marines per esbrinar l'origen d'aquesta melodia.

When the mudlarking gang find a mysterious cutlass on the banks of the Thames, they immediately know that something fishy is afoot. When the cutlass vanishes, and Mrs Drummonds disappears too, it’s down to Clem and the gang to find them. The mystery leads them to a band of ghost pirates, who will stop at nothing to find their long-lost treasure. With the help from their friends in the Undercity, the gang must set sail on the seven seas, solve riddles and save the day!