Twelve-year-old African American Zeus embarks on a treasure hunt to find his grandfather and uncover the secrets that destroyed his grandfather's printing company during the Harlem Renaissance. Filled with interactive clues and puzzles, young readers will love solving this mile-a-minute mystery right alongside Zeus!

Billions to burn

Detective Stanley may have retired from the Narlybone Criminal Investigation Department, but when he receives a mysterious letter, he cannot refuse to investigate one last case. Something is afoot at the Narlybone Museum, and this mystery could be tricky enough to stump the renowned detective.

Detective Stanley and the mystery at the museum

Kyle and Lauren Dempsey believe their soldier stepdad is dead, killed in action in Northern Ireland. But then he turns up at their flat in the Alpine Heights tower block, terrifying changed. One day later, a mysterious virus seems to be running rampant through the building and many residents are dead. Nobody has ever discovered what really happened – until now …

The Deadsoul project

"Clue meets Knives Out for the younger set in this twisty-turny middle grade mystery-comedy with dry humor, impeccable plotting, and fun interactive bonus content. Eleven-year-old orphan Nico Lombardi has been unfairly indentured at a remote mountain inn for five years now. Just as he gathers the courage to escape, the inn gets booked by the remaining members of a “tontine,” an investment scheme where a cash prize is awarded to whomever lives the longest. In other words, every guest wants access to the fortune. Preferably as soon as possible. During their stay, a chaotic race to control the fate of the tontine takes over the normally sleepy inn. Nico watches in horror as a series of comically disastrous events unfolds—some of which might aid his escape, and some of which might get him in big trouble. Before he can even put the right clues together, three unexpected revelations change the course of everyone’s future! Arch humor and an incredible cast of strange and calculating characters keep the pages turning in this Wes Anderson-esque mystery filled with funny mishaps and misunderstandings. With illustrations, a hotel map, character dossiers, a personality quiz, and a test to see how YOU would fare in a tontine caper, this read is perfect for fans of Escape from Mr. Lemoncello’s Library and The 39 Clues series"--Amazon.ca.

The tontine caper

Opal Watson is a young detective who loves solving mysteries, from lost pets to missing objects. After returning to Chicago from New Orleans, she's nervous about starting school and dealing with her Retinitis Pigmentosa, a degenerative eye disease. Opal is paired with a new student, Ivy, for a history project, but she's more focused on her friends, cousin Frank and best friend Madison. When Madison hears strange noises in their apartment building, the Crescent, and renovations disrupt the neighbors, Opal begins to investigate. The building is also threatened by developers who want to tear it down. As Opal delves deeper into the mystery, she faces her toughest case yet, wondering if she can solve it and uncover hidden truths along the way.

Opal Watson, private eye

"A boy with Mosaic Down syndrome navigates entering a mainstream classroom, making new friends, and standing up to bullies all while trying to catch a thief and save his home in this thrilling middle grade mystery from New York Times bestselling and award-winning author Wesley King"--

Benny on the case

Weatherby and Jack are tapped to join Last Heir, the most powerful secret society of deception in the world, and on the night of the first gambit, the game takes a terrifying turn, pushing Jack and Weatherby to discover the truth about the game--and themselves.

The liars society. 2, A risky game

"Minerva Keen faces competition in her middle school detective club as they race to solve the mystery of a once-beloved teacher's alarming behavior"--

MK's Detective Club. 2, The double trouble puzzle

"There is a mystery to be solved, keys to be found, and an evil pig to escape! When an infection threatens to turn everyone into mindless, dangerous monsters, it is up to a few desparate survivors to get survive long enough to find a cure. But can they hold on long enough to get to the bottom of this mysterious illness, or will PIGGY and her new minons find them first? Welcome to the bone chilling, pulse-pounding world of PIGGY, the survival-horror game that will keep you up at night. Explore a frightening maze full of secrets to unearth and monsters that are out for blood! Can anyone make it out alive?"--

Piggy. 1, Infected

Diego was separated from his family in the early days of the Infection. Since then, he has moved from town to town and place to place -- getting by as best as he can. Recently, he has met and joined up with a motley crew of other survivors. After an encounter with a pack of the Infected, members of the group begin to disappear in mysterious and macabre ways. It's becomes clear that not everyone in the group is telling the whole truth. Can Diego and his new friends discover the traitor amongst them before it's too late?

Piggy. 5, Traitor

"Olive Jones has just inherited her grandmother's memories. But her grandma has left her more than just memories; she's left her a mystery. And now it's up to Olive to solve it. After her grandmother's funeral, Olive learns she has inherited something unexpected: her grandmother's memories. Olive is surprised - her grandmother wasn't a cuddly, affectionate kind of grandmother. Curious about what she might discover, Olive sets out to 'watch' the memories. But before she can, they're stolen right from under her nose. Olive can't understand why anybody would want to steal the memories. As far as she'd known, her grandmother had always lived an utterly ordinary life. Following the trail of the thief, Olive begins to discover that her grandmother's life wasn't what she thought. As she unravels the secrets lurking in her grandmother's past, she discovers clues Grandma Sylvie left her. It's up to Olive to solve the mystery of the memory thief, and in the process, learn about the incredible life and adventures of the grandmother she has never really known"--Publisher's description.

Olive Jones and the memory thief

"It's summer in 1880 Stockholm, and the city bakes in the heat--but the heat on twelve-year-old Mika is finally lifting. After lying low following the blast at the jail, Mika's name is finally cleared. And it's not a moment too soon--because Detective Hoff has a perplexing case involving the disappearance of a local teen. The girl's wealthy family wants to make sure things stay quiet. Why would a girl who has everything want to run away? And why is her family so afraid to go public?"--

The lost ones

"Leonie MacGregor is sick of carrots. Who wouldn’t be if you grew up on a carrot farm? But Leo’s dad is obsessed with them. He breeds carrots the way some people breed prized poodles. A series of events leads Leo to suspect someone is after her dad’s one-of-a-kind carrot seeds. With the help of her best friend Sara, Leo begins to narrow down the suspects. Is it their organic farmer neighbor who everyone calls “the Hippie”? Or maybe spies sent by the government who think her dad’s special carrots might really be worth something! Even though Leo has lots of things to do on the farm—like fixing her super awesome dirt bike—it’s up to her to save her dad’s carrots!"--

Year of the carrot

Baker by day, spy by night — Alice Éclair leads an exciting double life!  A mysterious message sends Alice on a mission aboard France's most glamorous train, the Sapphire Express . Alice must sneak on board posing as a pastry chef and discover which passenger is an enemy agent before they reach their final stop. But everyone on the train seems to be hiding something...  Armed with her whisk, her wits, and her will to succeed, Alice has a spy to catch.

A recipe for trouble

New recruit Zeb the sheep joins the flock to help crack the greatest mystery of all! But, uhh...just what is the greatest mystery of all? Pondering that conundrum is what has kept the dearly departed General Inspectre tethered to Earth long after he should have moved on to the great super-spy base in the sky. Having a ghost haunting the halls of S.U.I.T. wouldn't be so bad...except he's possessed Monocle to serve as his Earthly form! Zeb--along with Cilantro, Bongo, Marsha, and cameos from everyone's favorite Gators--must decipher the series' biggest mystery EVER to free their pal and finish the Inspectre's unfinished business!

Agents of S.U.I.T. Wild ghost chase

Theodora, Sherman, and Dexter head to New York for the holidays, only to find themselves up against a horde of Shadowmongers and a sinister foe determined to take down the Monstrous League of Monsters and destroy Theodora.

Theodora Hendrix and the snare of the shadowmongers

When Ned is cast in a stage production of Macbeth, led by the famous but peculiar director Bear Larouche, Nancy volunteers to help with the set. She's also allowed to sit in on a few rehearsals, where she gets an earful from the director about theater superstitions: never say "Macbeth" out loud--only refer to it as "The Scottish Play"--never wear blue, no peacock feathers onstage, and so on. The play is off to a promising start until Ned breaks the most important rule and accidentally says "Macbeth" in the theater. And then accidents begin happening during rehearsals. It quickly goes from odd to scary, and the director is ready to cancel the show. Nancy might not believe in superstition, but she does believe in intuition, and hers is telling her that the cause behind these incidents isn't a curse, but someone in the cast. It's up to her to find out who before opening night.

Nancy Drew diaries. #26, Superstitions of "the Scottish play"

Mystery-lover Libby is excited but nervous when she's sent to live with her aunt while her mother is working abroad. Her Aunt Agatha is the headmistress of an extraordinary travelling school that moves from country to country. Libby joins the school in Paris, where she is just starting to find her feet, when Agatha is arrested, accused of a daring jewel robbery. Can Libby and her new best friend Connie find the real thief and save her aunt?

Libby and the Parisian puzzle

The City Spies search for Cairo's missing sister in Rome before returning to London to stop an attack on the royal wedding.

London calling

"After discovering in book one that they had every reason to feel a little bit different than their peers, Edwin Edgefield and the rest of his alien-on-earth crew are primed and ready to learn all they can about their home planet. Unfortunately, that planet has been destroyed, and the one person who can help them find out where they came from--Maureen (yuck)--has no intention of helping. In fact, she has just taken off in a rocket ship bound for the moon, where the enemy Yaks awaits with a new version of her planet-destroying machine, this time aimed at earth. It will take every bit of Edwin, Julie, Kimmy and Dilip's super abilities--both mental and physical--to stop Maureen this time. Can they pass through the gauntlet of tests Maureen has set for them and infiltrate the Yaks' secret moon base before the bad guys can power up their earth-blaster, or will Maureen and the Yaks succeed in their vengeful mission?" -- Publisher annotation.

The super-secret mission to the center of the moon (pie)

Marcus and the Breakfast Club Investigators are back and better than ever, just in time for for a brand new investigation! When a treasure hunt is announced at Rutherford High, the Breakfast Club Investigators want to win. But an otherwordly monster is set on spoiling their fun. Using clues from a comic book, can Marcus and his friends uncover the truth?

The Breakfast Club adventures. 4, The treasure hunt monster

When boys start disappearing from a mysterious island monastery, Darian and his friend Micah's covert investigation reveals secrets of the Order that leave them questioning their faith.

The vanished ones

Mabel and Will Greystone are looking forward to an exciting holiday with their aunt Lucy, a famous relic hunter in the land of Marvolia. Using an ancient map, they are searching for the legendary lost town of Umber, famous for the invention of clockwork, which was mysteriously abandoned hundreds of years ago. The only other clue they have is a strange old key left behind by the last inhabitant of the town, but they have no idea what the key is for. Also on the hunt for Umber is devious Byron Cogsworth, desperate for the glory such an important discovery will bring. Can Mabel, Will and Aunt Lucy find Umber before him? And what secrets will the clockwork key unlock?

The clockwork key

"Dilly loves a good murder. Not a REAL murder. A made-up murder. One you would find in a murder-mystery novel. Sherlock Holmes is her favourite detective. She even named her dog Watson after his faithful companion, and trained him to sniff out clues and follow trails. So far, Dilly and Watson haven’t cracked many cases – beyond lost cats, or missing biscuits that turned out to have been eaten all along. But now the detective duo find themselves on a luxury ocean liner bound for London. A thousand passengers. A thousand miles of ocean around them. It's the perfect place for a murder."--

Super sleuth

"Ben was never supposed to find out about his father's mysterious past, but when a school project forces him to confront his mother, she can no longer ignore the secrets she's kept all these years.With the help of his best friend Cooper and his new dog Blue, Ben embarks on a wild journey to uncover the truth about his dad's past―and what he discovers may be stranger and more unexpected than anything he could have ever imagined."--

Have you read these?

Mystery