Children Literature Mysteries

King, Kayla, and Grandma find a dog who has lost his human family. What does Kayla know? This dog doesn't have a collar or any tags. He can sit, lie down, and shake hands. No one around here knows who he is. What does King know? The dog's family is staying at a campground. Can they figure out who he is and where his family is?

Maya Delaney's paw-print birthmark is the mark of what she truly is - a skin-walker. She can run faster, climb higher, and see better than nearly everyone else. Experiencing intense connections with the animals that roam the woods outside her home, Maya knows it's only a matter of time before she's able to Shift and become one of them. And she believes there may be others in her small town with surprising talents.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Arriving in San Francisco and investigating the area in secret, the young riders are reunited with Kallista's father, Leo Babbage, who reveals that the humans in the city are working as slaves to the dragons, but that they don't want to be rescued - himself included. He says they are being protected by their new master: a huge, powerful white dragon who lives in an impenetrable tower fortress overlooking the city. Kallista is stunned by the news. Why would her father ever willingly want to work for dragons?

1978: At her renowned treatment center in picturesque Vermont, the brilliant psychiatrist Dr. Helen Hildreth is acclaimed for her compassionate work with the mentally ill. But when she’s home with her cherished grandchildren, Vi and Eric, she’s just Gran—teaching them how to take care of their pets, preparing them home-cooked meals, providing them with care and attention and love.

Someone is sending spiteful letters to the people of Peterswood - but who? Fatty, Larry, Pip, Daisy, Bets and Buster the Dog have to find the culprit who is making the villagers so unhappy. But Mr Goon is right on their heels to solve the mystery first!

Trenton Colman is exceptionally creative, with a knack for all things mechanical. But his talents are viewed with suspicion in Cove, a steam-powered city built inside a mountain. In Cove, creativity is a crime, and invention is a curse word.

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes April Fools' Fiasco, Colossal Fossil, Grand Canyon Grab, and Space Shuttle Scam.

Teddy Fitzroy returns as FunJungle's resident sleuth when the zoo's newest addition goes missing - before she even arrives! - in Panda-monium, the latest novel in Stuart Gibbs's FunJungle series.

Stanley Yelnats is under a curse. A curse that began with his no-good-dirty-rotten-pig-stealing-great-great-grandfather and has since followed generations of Yelnatses. Now Stanley has been unjustly sent to a boys' detention center, Camp Green Lake, where the boys build character by spending all day, every day digging holes exactly five feet wide and five feet deep. There is no lake at Camp Green Lake. But there are an awful lot of holes.

Welcome back to the irresistible world of Greenglass House, where 13-year-old Milo is, once again, spending the winter holidays stuck in a house full of strange guests who are not what they seem. There are fresh clues to uncover as friends old and new join in his search for a mysterious map and a famous smuggler's lost haul. This exciting sequel to a beloved book is sure to thrill both fans and newcomers.

Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time - well that's just crazy. But that doesn't stop Florian Bates! After helping the FBI solve an art theft at the National Gallery and uncovering a DC spy ring, Florian's finding life at Alice Deal Middle School a little boring. But that's all about to change! His FBI handler, Marcus, has a job for him! Is it a bank robbery? Counterfeit ring? International espionage? Actually it's middle school pranks...

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.

The Aldens have joined a bicycle race! Three days of riding and camping should be fun for everyone. Even Grandfather has joined the race. But right from the word “Go!” things go wrong: misleading road signs by day and collapsing tents by night. Henry’s first flat tire could be bad luck, but three flat tires point to foul play. But who is playing foul - and why? The Boxcar Children are determined to solve the mystery before they cross the finish line.

Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time, well that's just crazy. But that doesn't stop Florian Bates! Along with his best friend, and Watson to his Sherlock, Margaret, Florian's making the case that kids can do anything. When Florian and Margaret's FBI supervisor, Marcus Rivers, is accused of a crime, it's up to this mystery-solving duo to jump into action and clear his name because Marcus is more than their boss - he's family.

Mr Goon is busy with a mystery all to himself until Fatty, Pip, Larry, Daisy and Bets discover his secret. There is a gang of jewel thieves using Peterswood as their headquarters! Soon the Find-Outers and Buster the dog are helping the police hunt down the thieves - but who are they?

Tim and his ragtag crew have been rescued from certain doom by a mermaid princess—but now, she wants something in return for saving their lives: her father King Neptuna’s stolen trident. To pay their debt, Tim, Belinda, Ferkle, Rover, and Princess Grace once again brave the Sea of Terror to track down the trident in the glorious city of Atlantis, which hasn’t sunk into the sea yet. (In fact, it is famed as the safest city on earth.) But there is plenty of danger en route—and the notorious Prince Ruprecht is lurking about as well.

The Hardy brothers and Frank’s new girlfriend, Jones, are attending a local comic book convention on the shore. They meet up with Jones’ friend Harper, a fellow comics super fan, outside the convention. The four of them spend hours running from booth to booth and end the perfect day with pizza at Harper’s short-term rental apartment. Things don’t stay so perfect, though. On the way home, Jones realizes she switched phones with Harper by accident and she's getting some really scary texts. They show up at the apartment the next day to find it totally destroyed and Harper missing.

RJ Spencer is a lucky 12 year old. He lives in the big city and his parents are landlords of the high-rise apartment building that is his home. The many tenants in the building, along with the endless possibilities of adventures in the city itself, are the perfect setting for the young detective as he sets out to solve every case he can get his hands on.

The recent Strigoi attack at St. Vladimir’s Academy was the deadliest ever in the school’s history, claiming the lives of Moroi students, teachers, and guardians alike. Even worse, the Strigoi took some of their victims with them . . . including Dimitri.