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The Baskerville family of Dartmoor live under an appalling curse. They are haunted by a monstrous hound that has sent many of them to an early grave. Can our legendary sleuth save Sir Henry Baskerville before the hound strikes again?

The whole of London is shocked and baffled by the murder of Ronald Adair. It seems like an impossible crime! Can our sensational sleuth solve the mystery of how Adair was killed before the murderer strikes again?

Third-grader Aven Green has been solving mysteries for a really long time—a whole month! She has solved many important cases like The Mystery of the Cranky Mom, The Mystery of the Missing Ice Cream, and The Mystery of the Smelly Feet. Her record is nearly 100 percent, with only The Mystery of the Cereal in My Underpants remaining unsolved to this day. Aven asks all the right questions, wields her detective kit carefully, and follows up on every clue. Then her teacher’s lunch bag, with her lunch still in it, is taken, and Aven’s great-grandma’s beloved dog goes missing.

Nine-year-old Nicholas Benedict has more problems than most children his age. Not only is he an orphan with an unfortunate nose, but he also has narcolepsy, a condition that gives him terrible nightmares and makes him fall asleep at the worst possible moments. Now he's being sent to a new orphanage, where he will encounter vicious bullies, selfish adults, strange circumstances—and a mystery that could change his life forever. Luckily, he has one important thing in his favor: He's a genius.

El famoso detective privado de Ciudad Amable, Sabueso Orejotas, y su ayudante, el gato Floro, son los únicos capaces de descubrir quiénes son los ladrones responsables del robo en casa de la anciana osa Aurelia. La escritora Luisa Villar Liébana regresa con otro de sus famosos detectives, tan perspicaz e inteligente como la gallina Cloti, y una historia de suspense que demuestra la importancia del trabajo en equipo. Esta nueva aventura de Sabueso Orejotas hará las delicias de los más jóvenes amantes del misterio y las historias policiacas.

Sabueso Orejotas, el detective privado más famoso y respetado de Ciudad Amable, y su ayudante, el gato Floro, investigan una serie de robos en el supermercado: alguien se está llevando todos los salchichones. La escritora Luisa Villar Liébana regresa con otro de sus famosos detectives, tan perspicaz e inteligente como la gallina Cloti, y una historia de suspense donde la amistad es la gran protagonista. Esta nueva aventura de Sabueso Orejotas hará las delicias de los más jóvenes amantes del misterio y las historias policiacas.

Algo terrible está sucediendo en Ciudad Amable: ¡están desapareciendo todos los cachorros! Solo Sabueso Orejotas, el mejor investigador privado de la ciudad, y su ayudante, el gato Floro, son capaces de descubrir quién es el culpable de estas misteriosas desapariciones y de encontrar a los pequeños sanos y salvos.

Kayla needs to return her library books so she can check out new ones. But she can’t find one of them. Where could it be? Can King and Kayla’s friend Jillian help?

It's the eve of the first full moon of summer and twelve-year-old Riley Callahan is ready to turn into a wolf. Nothing can ruin her mood: not her little brother Milo’s teasing, not Mama N’s smoth-ering, and not even Mama C’s absence from their pack’s ceremony. But then the unthink-able happens—something that violates every rule of wolf magic—Riley and four other kids don’t shift.

May, 1910. As the blazing Halley's comet draws close to the Earth, Nancy is uprooted to start a new life in Suffolk with a grandfather she has never met. With every curtain drawn shut, Nancy is forbidden from leaving her grandfather's house: no one must know that she or her mother are there. Yet, when Nancy discovers the house's secret observatory, she watches her mother and grandfather creep out every night.... Where are they going? And why mustn't any of them be seen? As the mysteries pile up, Nancy has to bring dark secrets from the past to light.

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!

King, Kayla, Mason, and Asia are playing in the snow. Later, Asia discovers her new gold ring is missing. What happened to it? What does Kayla know? 1. Asia’s ring is missing. 2. It was on her finger when she came over. 3. It’s not in the cushions, on the table, in the drain, or outside. What does King know? There’s a crow outside. Crows like shiny things. How will they solve the mystery?

Teenage spy Alex is in the South of France, hoping to sever his links with MI6. But when a sudden attack on his hosts plunges Alex back into a world of violence, he soon uncovers a plan called Eagle strike - a discovery more terrible than anything he could have imagined.

Harper doesn’t trust her new home from the moment she steps inside, and the rumors are that the Raine family’s new house is haunted. Harper isn’t sure she believes those rumors, until her younger brother, Michael, starts acting strangely. The whole atmosphere gives Harper a sense of déjà vu, but she can’t remember why. She knows that the memories she’s blocking will help make sense of her brother’s behavior and the strange and threatening sensations she feels in this house, but will she be able to put the pieces together in time?

A mysterious curse has stricken Kexley Castle for generations ever since Egyptian treasure was transported to Cornwall by a 19th Century explorer. Can four young adventurers reveal the secrets that have been hidden for over a hundred years? Join Lara, Rufus, Tom, and Barney in their first exciting adventure together as they unravel the mystery and race to find Captain Jack Kexley’s hiding place.

Rebekah Daniels is just your ordinary spunky nine-year-old girl living in the small town of Curtis Bay…EXCEPT she is determined NOT to be ordinary at all! Her small town is filled with mysteries and Rebekah is sure that she, along with her best friend Mouse, will be able to solve every last one of them. Something is definitely going on in Curtis Bay. The adults are acting so strange and secretive which leads Rebekah to a conclusion too awful for words. Are the adults really out to do away with all of the children?

The Chicken Squad is back for their second (mis)adventure, and this time they’re solving the mystery of a kidnapped…HOUSE? A hilarious chapter book from the bestselling author of Click, Clack, Moo and The Trouble with Chickens. Dirt, Sugar, Sweetie, and Poppy are the four members of The Chicken Squad, and business is booming.

Thirteen extremely valuable pieces of art have been stolen from one of the most secretive museums in the world. A Vermeer has vanished. A Manet is missing. And nobody has any idea where they and the other eleven artworks might be...or who might have stolen them. The Players - Calder, Petra, and Tommy - are no strangers to heists and puzzles. Now they've been matched with two new sleuths - Zoomy, a very small boy with very thick glasses, and Early, a girl who treasures words...

Abilene Tucker feels abandoned. Her father has put her on a train, sending her off to live with an old friend for the summer while he works a railroad job. Armed only with a few possessions and her list of universals, Abilene jumps off the train in Manifest, Kansas, aiming to learn about the boy her father once was. Having heard stories about Manifest, Abilene is disappointed to find that it's just a dried-up, worn-out old town. But her disappointment quickly turns to excitement when she discovers a hidden cigar box full of mementos.

You know it's going to be a rough summer when you spend Father's Day visiting your dad in the local lockup. Noah's dad is sure that the owner of the Coral Queen casino boat is flushing raw sewage into the harbor, which has made taking a dip at the local beach like swimming in a toilet. He can't prove it though, and so he decides that sinking the boat will make an effective statement. Right. The boat is pumped out and back in business within days and Noah's dad is stuck in the clink.