Titoli in Polizieschi

The Campground Kids receive an envelope containing secret information about a lost artifact called a "Navigem." The kids quickly piece together that this is more than just a favor; it is a mission from their Uncle Elliot. Finding the legendary Navigem will be no small task, as it has been missing for decades. Rumor has it that an outlaw hid it in South America; however, Uncle Elliot's clues seem to point toward Arches National Park. The kids must get up to speed with their secretive uncle and find the Navigem before others catch on.

The Campground Kids begin their next journey in Yosemite National Park. Their trip gets turned upside down after learning that treasure has been hidden somewhere in the park—over one million in gold and precious gems. Once the kids discover that their long-lost great-uncle is involved, they insist on joining the hunt. As the family begins their adventure, they run into twin brothers, Brody and Brock, and their father. While Brody seems friendly to the crew, Brock and his menacing father are determined to locate the treasure and will resort to ANYTHING to find it!

Gulliver Queen, nephew of the famous detective, Ellery Queen, doesn't want to be a detective. But when Gully and his new friend, Fisty Jones, investigate the strange underwater noises in the Hudson River, they suddenly find themselves deep in a mystery that Gully can't resist tackling. The menacing tattooed man, the weird one-eyed figure in the abandoned building, the strange but merry Magnus Merlin, magician extraordinaire - all add up to an exciting tale of danger and suspense on and under New York's waterfront.

Cléo te raconte ici une nouvelle enquête menée par sa grand-mère Noémie et son amie Mona, en 1967. Mme Gramond, le sévère censeur de leur lycée, semble cacher un secret. Intriguées, les deux filles se lancent dans l'aventure : lettres anonymes, salle murée, tiroir secret, pages jaunies oubliées depuis des années... Elles soupçonnent une affaire de chantage, mais comment résoudre cette énigme qui prend sa source dans un passé lointain?

قصـة "ما هذا الصوت؟" للكاتب الكبيـر "محمد العوهلي"، والصـادر عن دار الهدهـد للنشر عاش الحديدي وحيدًا في بيته لمدّة طويلة، ثم صنع دمية يحبها ويلعب معها ويعتني بها. لكن صوتًا غريبًا بدأ يظهر كلما تحاور معها، فما هو سر الصوت ومصدره؟!

In another seat-gripping installment of The Hardy Boys, the brothers find themselves investigating sky-high robberies and daring thieves. Together, the brothers do what they do best: bring the no-gooders to justice.

Emma Avery has always loved solving puzzles and codes, and now that she’s processing a recent autism diagnosis and facing down seventh grade at a new school, they’re even more important to her. Then Emma meets Nate Lin. He’s popular and funny and … loves codes, too. He introduces Emma to the Codebreakers, a group of his friends dedicated to cracking codes that have been discovered in the ruins of a nearby ghost town, which are believed to lead to magical objects.

When Horace the Elephant turns 11 he celebrates in grand style by inviting his other animal friends to a splendid party. There are games, fine music and the promise of a magnificent feast to come. But little does Horace know that when the time comes for the birthday banquet, a most curious mystery will be revealed.

Bertie loves to visit the Retirement Home for Elderly Magicians and watch his grandpa perform magic tricks. But one day all the magicians' props go missing, so Bertie sets off to investigate.

Nel cortile della scuola compare un giorno una lunga striscia rossa e bianca per tenere lontani i bambini da qualcosa che non devono vedere. Dopo cena, complici il nonno e il cane Macchia, Leo indaga: e scopre una mucca gonfia come un pallone, immobile, silenziosa. Il giorno dopo la mucca non c'è più. Nessuno ne parla. L'indagine sembra archiviata quando Leo si ritrova con sei alleati curiosi quanto lui (a cui si aggiunge Giulia dalla frangetta tagliata), decisi a saperne di più anche su un'altra misteriosa sparizione, quella della maestra Pompelmo, avvenuta anni prima.

WUFF! Hier bellt die Polizei! Mein Name ist Pepper und ich werde auch Kommissar Pfote genannt, denn ich löse jeden Fall. PFOTE DRAUF! Feueralarm an der Schillerschule! Es brennt im Chemieraum! War es Brandstiftung? Polizeihund Pepper und seinem zweibeinigen Kollegen Paul fällt eine Gruppe von Schülern auf, die sich nervös verhalten. Sehr verdächtig! Peppers Spürsinn ist geweckt. Jetzt muss er zeigen, dass er einen Feuerteufel wittern kann. Er ist schließlich der beste Polizeihund überhaupt!

The Tower Treasure (1927) by Franklin W. Dixon.

The Mystery at Lilac Inn (1930) by Carolyn Keene.

The Bungalow Mystery (1930) by Carolyn Keene.

The Hidden Staircase (1930) by Carolyn Keene.

The Secret of the Old Clock (1930) by Carolyn Keene.

Fizzlebert Stump lives in a circus. His mum's a clown, his best friend is a bearded boy, and he sticks his head in a lion's mouth every night. Other than that, he's pretty normal. When Fish the sea lion goes missing Fizzlebert tracks down the runaway beast to the Aquarium, with its piratical owner Admiral Spratt-Haddock, invisible octopus, and colour-coded fish. But the Aquarium has problems of its own. Fish (not Fish the sea lion, fish. Keep up.) are going missing, and the Admiral blames the circus.

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.

Ottoline is back! Ottoline and the Purple Fox is the fourth fantastical Ottoline adventure from 2015–2017 Children's Laureate and author of the Goth Girl books, Chris Riddell. Ottoline and Mr Munroe love puzzles, clues and mysteries. One day, they meet an enigmatic purple fox, who offers to...

Every CHERUB agent comes from somewhere. Dante Scott still has nightmares about the death of his family, brutally murdered by a biker gang. Dante is given the chance to become a member of CHERUB, a trained professional with one essential advantage: adults never suspect that children are spying...