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When Tom and Stella find a 100-year-old letter from their Edwardian friend Jack, his plea for help leads them and their friend Hannah back down the time tunnel to 1913. There the adventurers reunite with friends Lucy, Emma and Sophie at the grand Penworth Estate – unaware of the danger that awaits. Young heir Sebastian has fallen mysteriously ill, and tensions are running high in the household. With secrets lurking in every shadowy corner, it's up to the friends to unravel a dangerous mystery that threatens Sebastian's life.

When siblings Ava and Luke discover a mysterious notebook in their dad’s attic they are instantly intrigued. And, as they read through letters, diary entries, newspaper cuttings and notarised secret recordings, they realise that a decades-old, still unsolved, murder case is unfolding right in front of them . . .

When Pete, Nancy and Krish arrive at Heathland Camp for a school trip, they’re in for an adventure – just not the kind they were expecting. Nearby sits the abandoned Harwood Institute. The crumbling buildings are out of bounds but strange screams come from the surrounding forest at night. Mystery shrouds the events that took place at the institute during the war, so Pete and his friends make it their mission to find out the truth. But the forest is hiding a sinister secret, and the trio could be in real danger. Are some mysteries best left undisturbed?

Minerva Keen and co are ready to take on a hair-raising new lead. But when know-it-all Zoe joins the club to read mysteries instead of solving them, it seems their sleuthing days might be over. To make things worse, Minerva's favorite teacher, Ms Voyant, takes Zoe's side . . . which gets Minerva wondering what secrets they could be hiding. As she digs into one puzzle, new questions pop up. Such as: Why are Ms Voyant and Zoe so friendly? And where do Minerva's parents go on their mysterious 'business trips'?

What do you get when you mix some albino terrier fur and sand from Alum Bay? Timothy Pinkerton knows, and he’ll do anything to get his grubby hands on more of what he needs for his secret formula. Anything, including hypnotising the town’s residents and stealing their homes.

Thirteen-year-old Noah thought a winter break trip to his aunt and uncle’s house would mean snowball fights and hot cocoa, but a harmless sledding trip to the local state park unearths a chilling secret. For sixty years, a nearby reservoir has held a dark truth beneath its icy surface. Now, angry spirits stir, their vengeful trickery spilling into the small Pennsylvania town. Noah and friends find themselves tangled in a web of ghostly whispers and a community desperate to bury the past.

When Theo Hesson visits his grandparents for the summer, he has no idea what's in store for him and his new friends. Until they attend the showing of that week's Saturday matinee monster movie. That's when the monsters come out of the woodwork, and it's up to Theo and his friends to save the day!

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.

Quando Carla torna a casa il suo gatto sonnecchia sul divano. Come sempre, a casa degli zii (Carla vive con loro da quando... a questo preferisce non pensare) non c'è nessuno, a parte il gatto. Ma oggi Cucco è strano. Ha le zampe bagnate. E lascia delle impronte. Rosse. Di sangue? All'improvviso in casa fanno irruzione due agenti, in divisa e senza distintivo: sarà perché sono in missione speciale? Carla non sa se fidarsi, ma non c'è tempo: la fanno salire in macchina e portano via anche il gatto. Si ritrova così al centro di un'indagine per omicidio.

When Amelia inherits the whimsical Mystery Island adventure park from her late uncle, she embarks on a journey that will change her life forever. With the help of a quirky cast of characters, including the enigmatic Max, Amelia sets out to unravel the park's secrets and uncover the hidden treasures her uncle left behind. As she delves deeper into the park, Amelia discovers a world of wonder and excitement, from crazy cart races and whimsical workshops to nighttime spectacles and hidden grottos.

Twelve-year-old Mizzy dreams of being a detective and she won't let anything stand in her way — not her reputation for tall tales, or her embarrassing fear of escalators, and definitely not her Down Syndrome. Dumped for the summer with cousins who've outgrown her, Mizzy feels even more sidelined than usual. But when she discovers Great Aunt Jane's diaries in a locked wardrobe in their spare room, and realises her aunt didn't die in her sleep but under suspicious circumstances, everything changes. What's more … someone in the family appears to have been involved.

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?

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.