Children Literature Mysteries

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues - thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now. Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they've done everything right, but a tiny mistake leads to catastrophe.

Eleven-year-old Harry Mancini is not Harry Houdini - the famous escape artist who died in 1926. But Harry does live in Houdini's old New York City home, and he definitely knows everything there is to know about Houdini's life. What is he supposed to do, then, when someone starts texting him claiming that they're Houdini, communicating from beyond the grave? Respond, of course.

Cammie Morgan has lost her father and her memory, but in the heart-pounding conclusion to the bestselling Gallagher Girls series, she finds her greatest mission yet. Cammie and her friends finally know why the terrorist organization called the Circle of Cavan has been hunting her. Now the spy girls and Zach must track down the Circle's leaders and stop them before they can implement a master plan that will change Cammie - and her country - forever.

A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth about the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible . . . what will Amy and Dan risk to find out what really happened on the night their parents died?

Arriving on the shore of Lake Michigan for summer vacation, the Graham Quartet senses that something is not quite right. When a slip of the tongue causes an unexpected reaction, Elsa, Matt, Selena, and Tim, jump into a mystery. But what is the connection between a cryptic note, a yellow door, and a boat called the Day Maid? When their friend, Lieutenant Ashwood, disappears, the Quartet feels the pressure of time and must turn to another source for help. Will the four siblings get enough information to unravel the mystery, before the suspects vanish completely?

The Boxcar Children are helping a friend find out more about their family's history. But what they find is a mystery going back generations! Can the Aldens help their friend unlock secrets of the past - and present?

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 on them.

After Tucker and Maya are jolted back to the present by Titanic's iceberg collision, they don't know what will happen to their new friend, Liam, who is still trapped onboard. They travel back to 1912 again to make sure Liam and his parents, all third-class passengers, make it to the lifeboats in time.

Leon is a small-time crook who's ridden his luck for three decades. When he starts splashing big money around, the cops are desperate to know where it came from. They call in Cherub, a secret organisation with one essential advantage: even experienced criminals never suspect that children are spying on them. James' latest mission looks routine, but the plot he begins to unravel isn't what anyone expected. And the only person who might know the truth is a reclusive 18-year-old boy - a boy fell to his death 13 months earlier.

When a desperate mother calls Denton Police Department to report her children missing, Detective Josie Quinn races to investigate. Sixteen-year-old Kayleigh and her little sister Savannah went for a walk in the woods but never came home. They are good girls and know not to go far, say their frantic parents. Kayleigh always looks after Savannah and brings her home safely. Until now....

Christopher Banks, an English boy born in early-20th-century Shanghai, is orphaned at age nine when both his mother and father disappear under suspicious circumstances. He grows up to become a renowned detective, and more than 20 years later, returns to Shanghai to solve the mystery of the disappearances.

This collection includes The Mystery of the Stolen Snowboard, Mystery of the Wild West Bandit, and The Mystery of the Soccer Snitch.

In their sixth adventure, Sabrina and Daphne must defend their friend Mr. Canis (aka the Big Bad Wolf ) when he is put on trial by the Everafters for his past crimes. It'll take all of the sisters' skills to outwit the merciless Queen of Hearts, who is determined to kick Canis and the Grimms out of Ferryport Landing - forever.

Edward G. Garrison, better known as Egg, is pretty excited about the Science Club's field trip to the zoo. They'll get to see a rare display of Island Foxes, an endangered species. But when the club arrives, they learn that the foxes have been nabbed! Can Egg and his friends find the foxes?

From the best-selling author of The Tiger and The Golden Spruce, this debut novel is a gripping survival story of a young man trapped, perhaps fatally, during a border crossing. Hector is trapped. The water truck, sealed to hide its human cargo, has broken down. The coyotes have taken...

Herobrine, the artificially intelligent virus, was deleted. The computer it resided in was completely destroyed. Without their leader, the few survivors of its evil army were cast away into the shadows. It looked as if there would finally be peace and happiness throughout the servers of Minecraft.

Best-selling author and fan favorite Anthony Horowitz has built a huge following with his Alex Rider series. This time, Alex is up against a con man who wants to create the biggest catastrophe he can muster to profit through a disaster-relief charity. If Alex is going to stop a genetically engineered virus from sweeping across the country, he’ll have to brave gunfire, explosions, and dangerous mercenaries—then come face to face with the deadly mastermind.

Part lawman, part tracker and part magician, the Wardens are monster-hunters - tasked with protecting the people from the various, nightmarish creatures that have invaded the world of men. However, despite being descended from a long line of Wardens, 16-year-old Errol Magnus believes it to be the absolute worst job on the planet: How could a single occupation simultaneously be the most boring, abominably stupid, and extraordinarily dangerous profession imaginable?

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

Henry, Jessie, Violet and Bennie Alden arrive at Camp Seagull, eager to begin a new week of making friends and participate in the annual camp Olympics. But someone is determined that they won't win! Can they find out who before the Olympics is ruined for everyone?