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Twelve-year-old Aya Mustapha has more brothers and sisters than she can keep track of. Ten siblings, and her mum and dad – all living under the one roof. Who has time to remember that many names (eyeroll emoji)? And as her thirteenth birthday approaches, Aya is given her first diary as an early birthday present - someone to talk to when the house gets busy. In it, we learn all about the chaos of the Mustapha family and Aya's first year wearing a hijab, which, she quickly learns, has perks!

There's a fire in a seventh grader's locker! Is it arson? A prank gone wrong? An accident? Eva, Dani, Liam, and Gabe are determined to figure out who started the fire, and why. And they each have their own reasons for wanting to be the first ones to figure out what really happened.

Can stopping time solve a murder? Journey to a house on a hill and discover the secret of a cursed painting. And Then There Were None meets My Family and Other Animals. Our story begins with identical twins . . . Spike and Merry are back on the case – and this time they're in Greece. The cursed Medusa painting is up for auction, but anyone who looks at it directly, will die. When one of the bidders is found dead and the painting's owner goes missing, the twins use their time bending powers to investigate. Is it really a curse, or is someone out for revenge . . . ?

Hotel Marvelo's reputation as a safe haven from the pressures of a magical world is unblemished. Until, that is, the wizard Henry Gravelaxe, is discovered dead in the spa. But who is the murderer? As soon as his parents are blamed, Finnian Marvelo knows that he must do everything he can to clear their names. Together with his siblings Juniper and Teddy, Finnian sets about using his exhaustive knowledge of the hotel to interview the guests and hunt for clues to reveal the truth.

Working on a Hollywood set, Hayley's seen all kinds of creepy special effects. When she comes across what appears to be a dead body under a sheet at Silver Screen Studios, though, she's sure she's found evidence of a real crime! But when she brings the security guard back to the scene, the body has vanished, and it seems someone in the cast or crew is playing a mysterious prank. Could the culprit be the show's latest guest star, who's famous for his vampire films? It's up to Hayley and her two best friends to find out!

Things are going great for Hayley on the set of the mystery show Sadie Solves It. But one day, things start disappearing from the studio—expensive jewelry used on the show, and even earrings from someone's purse! Who's the thief stalking Silver Screen Studios? Hayley doesn't want to get involved . . . after all, she only plays a detective on television. But then one of the stolen items is found in her trailer, and her favorite makeup artist, Vee, is blamed for the theft! With the help of her two best friends and co-stars, Hayley begins to investigate.

When the wealthy Willoughby family checks into her mother’s bed-and-breakfast for the weekend, Amber Adler is certain a crime is going to be committed right under their roof. And she should know—she’s read every Agatha Christie novel in the library and her father is a world-famous detective. Sure, Amber has made a few false accusations (and once got the SWAT team sent to her math teacher’s house), but this time, she’s positive that one of their guests is up to no good.

Paris, present day. Penny Marks has never felt so alone. Forced to move to France for some fancy job her mom couldn’t turn down, she’s now miles away from her old life. If she hadn’t quit art after all that drama went down last year, she’d at least have something to keep her mind off the fact that life back home is moving on without her.

In Hayley Mysteries: The Haunted Studio, when Hayley is cast as the lead in a Nancy Drew like kids television show, strange things start happening around the studio and she becomes a real-life sleuth. Hayley needs YOU to help her solve a terrifying ghost mystery in this fun-filled, action-packed story. Plus, get a behind-the-scenes look at what it's like to be an actress IRL!

The City Spies are ready to start fresh with a new home, new schools, and a new directive now that Clementine has come in from the cold and Le Fantôme has been put behind bars. But their plans are put into jeopardy when Umbra threatens to attack multiple high-level targets across Europe unless he is released from prison. With intel leading them to Rome, Paris, London, and Amsterdam, the City Spies split up and race across the continent solving codes and chasing clues in an effort to thwart the attacks.

Penelope Weaver has spent her whole life preparing to attend Anaximander’s Academy, where students learn how to bring to life the stories of Greek mythology as well as discover the Greek god whose principles they most embody. Penelope knows she’s an Athena—all smart, practical, and rule-following girls who take part in stories that matter are Athenas. But when Penelope and her twin brother Paris arrive at Anaximander’s, it appears fate has other plans. Penelope isn’t placed with Athena but with students who are anything but practical and who prefer parties to rules.

Sandy Fin and his best friend Lily are enjoying life by the sea, after saving Portwhistle and its marine life from Albo Start's aquapark. Suddenly, odd things start to occur: an escaped convict is on the loose, curious mounds of sand appear on the beach. Strangest of all are reported sightings of the Phantom Diver – a figure of Portwhistle legend, long believed to be a figment of the most inventive imagination! Suspicious, Sandy and Lily dive, snoop and climb their way through the mystery towards the Phantom Diver's true identity.

Eva's class cannot wait for their field trip to the pumpkin farm! On the farm, they pick apples, milk cows, and even make new friends. But then an award-winning pumpkin goes missing! Eva and her friends will have to solve the mystery. Will they find the pumpkin in time for the holiday party... and also help a friend in need? In this sweet fall story, Eva discovers that everyone has something to be thankful for!

When there are suspicious sightings around the bay (ghosts?! a sea monster?!)—who're you gonna call? An elite team of crime-fighting underdogs, that's who! The Misfits are on the case in the hilarious follow-up to the beloved New York Times bestseller!

Follow that ferret! Abbi and her friends and family are pet-sitting at a petting zoo and animal sanctuary. The kids are in charge of the ferret, Marcie. There's just one problem: Marcie is acting very strange. She seems upset! Then she runs off, escaping her crate, and sending Abbi, Lydia, and Daniel on a hunt for the missing ferret! Little do they know that finding Marcie will lead to an even bigger mystery. . . .

Twelve-year-old globetrotter Thea Lim-Lambert is spending a rare summer at home in Brooklyn, when she discovers a secret room in the back of her closet. There, among her grandfather Errol’s old diaries and peculiar carvings, is a clue Errol left to a massive hidden treasure. But to find it, she'll need the help of two experienced sleuths—lucky for her, two of the best live in her building!

Trixie Belden solved her first mystery more than 50 years ago, and her sleuthing skills have delighted listeners ever since. For the first time enjoy FOUR Trixie Belden adventures in one collectible boxed set! Trixie Belden loves riding horses, exploring with her best friend Honey, and solving a good mystery! Which is good because trouble seems to follow her everywhere. But no secret lasts long when detective Trixie is on the case!

In the thrilling and exciting conclusion to the middle grade adventure that is the Improbable Tales of Baskerville Hall trilogy, Arthur travels to the Lakes, a place more mysterious than the enchanting Baskerville Hall itself, and must do the unthinkable: betray his friends and Sherlock Holmes or pay the ultimate price. Perfect for fans of the Winterborne Home for Vengeance and Valor series and the Mysterious Benedict Society series.

Galileo's brand-new detective agency on Happy Valley Farm is now in business, and with the help of Agatha they've got eyes, ears and wings all across the farm ... now, if only they could find a case to solve! Meanwhile, with the Happy Valley Fair right around the corner all the animals pitch in to try and break the record for the World's Biggest Cake. All the animals except for the elusive Dogfather and his farm dogs, that is.

Every year, six local schools compete to win the Christmas Cup. Last year, the rival school to Brooke Parkin’s school won for the most crackers pulled in a minute! This year, the cup will be judged and awarded to the school with the perfect mince pie. But when a series of murders seemed to be linked to the very mince pies (each with a clue from a letter from the alphabet imprinted in the pastry) the five neurodivergent children must turn detective and combine their skill sets to find the killer.