Titoli in Poliziesco e suspense

Grey never expected his best friend, Finn, to end up trapped in Battle Royale as well, but now they both have to fight to get out. And there are only a few more weeks to do it. If Ben and Tristan hadn't left Grey's squad, he would have been a lot closer to the top five. But with the help of his new squad members, Grey is determined to climb back to the top. It won't be easy when Grey's old squad mates use his own tactics against him. He must use his creativity to find new ways to lead his squad back to the top 20.

Solveig, a princess, is trapped in a hidden fortress with her siblings. As they wait for the winter and the unending ice to break, acts of treachery soon make it clear that a traitor lurks in their midst. Can Solveig, her siblings, and her best friend Mark survive the long winter months and expose the traitor before he (or she) succeeds in destroying the king, his empire, and his children?

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!

Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class' weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed.

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?

'요괴들이 인간의 도구가 되었다면, 그건 꽤 중대한 사태야.' 요괴 봉행소 동쪽 지궁의 봉행, 쓰쿠요 요괴 봉행소 서쪽 천궁의 봉행, 사쿠노미야 요묘족의 공주, 오미쓰 무쇠 도롱뇽 일족의 우두머리, 하지카미까지!...

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.

When a mysterious book is unearthed at a nearby archaeological dig, Raven Gallows and her friends embark on a quest to uncover the rumored hidden treasure of the legendary outlaw Alf Bolin. But they quickly discover they’re not the only ones chasing the prize. Dominion, a shadowy conglomerate with a suspicious history, is also on the hunt. Raven suspects that her mother and the elusive Dupin Society might also be investigating a deeper conspiracy tied to the corporation.

Twelve-year-old Tuva couldn’t imagine living anywhere other than the Stockholm archipelago and her island home of Harö. Even if she mostly keeps to herself at her small school. Even if she sometimes gets kind of lonely. But when a classmate goes missing, Tuva finds herself at the center of the mystery, along with Rasmus, the new boy at school. Neither one of them can understand what they saw that day in the woods near the water: Is something magical at work? Something evil?

A New York Times bestseller! In a world ruled by the tenets of Greek mythology, one girl’s fate is more than it appears in the first book in a new dark academia fantasy middle grade series from #1 New York Times bestselling author of the Crave series Tracy Wolff. What’s your myth? Penelope...

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 Hidden Staircase (1930) by Carolyn Keene.