60+ Best Middle-Grade Mysteries to Read

Emilia Bassano loves words, and although she plays several musical instruments, what she really wants to do is act on the stage. This is a book with a fascinating premise — it features real-life historical characters in a fictionalized setting. In fact, one of Emilia’s friends is THE William Shakespeare. Most interestingly, though, is what happens when Emilia uncovers a plot to kill the queen and is sent to save the queen. Perfect for theater kids who love a good historical mystery.

Weatherby is a new kid at a Boston private school. She’s at the school on a sailing scholarship and immediately is thrust into a world she knows nothing about. Old school phone booths, scrambled phone service at school, friends with kids who go to the country club, and a boy who seems to hate her guts.

Jack is a rich kid at the school who is also on the sailing team and is constantly pressured by his father to be the best. When the money for a famed school trip is stolen, Jack, Weatherby, and some of their friends are invited to play a high-stakes secret game that leads to the revelation of shocking family secrets.

This suspenseful mystery, told from Jack’s and Weatherby’s perspectives, is fast-paced and high-stakes, perfect for the upper middle-grade crowd.

Shenanigan is getting ready for the big Swift Family Reunion and plotting her next great scheme: hunting for Grand-Uncle Vile’s long-lost treasure. She’s excited to finally meet her arriving relatives—until one of them gives Arch-Aunt Schadenfreude a deadly shove down the stairs.

So what if everyone thinks she’ll never be more than a troublemaker, just because of her name? Shenanigan knows she can become whatever she wants, even a detective. And she’s determined to follow the twisty clues and catch the killer.

Deliciously suspenseful and delightfully clever, The Swifts is a remarkable debut that is both brilliantly contemporary and instantly classic. A celebration of words and individuality, it’s packed with games, wordplay, and lots and lots of mischief as Shenanigan sets out to save her family and define herself in a world where definitions are so important.

The Amelia Six is the story of six clever girls who are invited to spend a night in Amelia Earhart’s home because of their achievements in STEM (specifically flying and aeronautics). Although all big-time Earhart fans, each of the girls are different. There’s shy, anxious Amelia (Millie) whose mom left her to go be a pilot. Then there are twins Robin and Wren who run a YouTube channel, Thea who builds things, like the side car she arrives in with her aunt’s motorcycle, Nathalie and her pet rat, and Cassie whose parents work at NASA.

The girls are hosted by Birdie, one of the Ninety-Niners who is the museum’s caretaker. Also in the house are Edna, the housekeeper; Collin, Birdie’s nephew; and Perry, the chef. Things are going smoothly until the girls realize that Birdie has been drugged and Amelia Earhart’s famous aviator goggles — which must be retrieved by the Smithsonian the next day(!) — have gone missing. Everyone’s a suspect and suddenly these girls have to band together if they want to get out alive.

A plot to overthrow King Claudio is brewing in the Kingdom of Pergamontio. Scholarly Mangus the magician-along with his street–smart and faithful new servant boy, Fabrizio–have been marked as easy scapegoats for the traitor lurking within the king’s court. Together, these two unlikely partners must gather clues to solve the mystery and prove their innocence before the stroke of midnight…or face death!

Mystery on Magnolia Circle begins with what seems to be the worst summer ever. Ivy’s summer plans are disrupted when she breaks her leg at the start of the summer before fifth grade. Her best friend Teddy is having it any easier as his dog is diagnosed with a terminal illness and has to be put down. But while Ivy is standing at her window, trying to make the best of the summer, she witnesses a possible burglary and that both kids off on a summer of solving a mystery — or is it?

This is such a heartwarming, intriguing mystery! When the discovery of a painting thought to be lost coincides with the attempted murder of a man in Harlem, three kids are drawn together in sleuthing adventures.

Jin, Alex and Elvin are completely different from each other and yet form a sweet friendship as they work to piece together the puzzle in this story. I especially loved how racially diverse the cast is, the emphasis on the power of art and the strong sense of community fostered in this novel.

The narration is equally fantastic and this story kept me glued until the very end! Very memorable characters and setting! Loved this one!

Nellie Murrow — the daughter of two (former) newspaper reporters — was named after one of the fiercest journalists who ever lived. When she moves to sleepy Bear Creek, Maine, rumors of vandalism and attacks at the only park in town are keeping her saddled to the house.

With different public opinions rampart, Nellie wants to break the story — and break free from the front yard — but she can’t do it alone. She needs a whole club if she’s going to start the Cub Report, the town’s first independent newspaper. Creating a newspaper from scratch is going to be tough; but for Nellie, making friends is even harder. This is the first book in a series that’s perfect for kids who like to write and a solid pick for younger readers.

It’s wintertime at Greenglass House. The creaky smuggler’s inn is always quiet during this season, and twelve-year-old Milo, the innkeepers’ adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo’s home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects go missing and tempers flare, Milo and Meddy, the cook’s daughter, must decipher clues and untangle the web of deepening mysteries to discover the truth about Greenglass House—and themselves.

Ted and Kat watched their cousin Salim board the London Eye. But after half an hour it landed and everyone trooped off–except Salim. Where could he have gone? How on earth could he have disappeared into thin air? Ted and his older sister, Kat, become sleuthing partners, since the police are having no luck. Despite their prickly relationship, they overcome their differences to follow a trail of clues across London in a desperate bid to find their cousin. And ultimately it comes down to Ted, whose brain works in its own very unique way, to find the key to the mystery. This is an unput-downable spine-tingling thriller–a race against time.

Georgia’s father was a renowned fine artist in New York before he died from cancer while only in his fifties. It’s been two years since he died, and her mom seems to be absorbed in managing his estate and trying to keep the family afloat financially. Georgia is still deeply grieving and dealing with several complicated feelings about her father, the world’s view of him, and her friendship with her oldest and best friend, Theo, who was also close to her dad.

Of her father’s works, he left the final painting series uncompleted at this death, because of his illness. When Georgia finds what she thinks is a sketch of that painting, she goes on a hunt for proof that the painting (which is of her) was really the last one in the series — hoping to confirm her father’s love for her in this way.

Meet thirteen-year-old Agatha Oddly – a bold, determined heroine, and the star of a stylish new detective series.

Agatha Oddlow has been a detective for as long as she can remember – she’s just been waiting for her first big case. And nothing gets bigger than saving the City of London from some strange goings-on.

With a scholarship to the prestigious St Regis School, a cottage in the middle of Hyde Park, a room full of beloved sleuthing novels, and a secret key that gives her access to a whole hidden side of London, Agatha is perfectly poised to solve the mystery of what’s going on. But just who can she trust when no one is quite who they seem…

Capitol City’s Natural History Museum is haunted – or at least that’s what someone wants people to think. But Wilson Kipper, son of the museum’s head paleontologist, knows better. When the mysterious occurrences go from spooky to dangerous, the museum is forced to close its doors. Can Wilson and his friends get to the bottom of things, or will the Natural History Museum be closed for good?

When Kyle learns that the world’s most famous game maker, Luigi Lemoncello, has designed the town’s new library and is having an invitation-only lock-in on opening night, he’s determined to be there! But the tricky part isn’t getting into the library—it’s getting out. Because when morning comes, the doors stay locked. Kyle and the other kids must solve every clue and figure out every secret puzzle to find the hidden escape route! 

Grant Falloon is a super fast track runner, so it’s a no brainer when he gets the chance to sign up for the million dollar race organized by Babblemoney. The mega-rich sneaker company wants to give back a million dollars to the winning kids from their international contest. Unfortunately Grant runs into a couple of snags.

First, his best friend (and brother from another mother) Jay is also super fast and competing in the race. He doesn’t want their rivalry to strain their relationship. Then, even worse, he’s disqualified from the race because he doesn’t have a real birth certificate, thanks to his unconventional parents who had him while they were living in a commune off the grid.

Still, with the help of his eccentric younger brother who happens to be a vlogger, Grant decides to come up with a crazy plan that will enable him participate: start his own country. On top of the chaos from their plan, the kids also realize that there is more to the million dollar race than meets the eye.

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.

It doesn’t take long for Stanley to realize there’s more than character improvement going on at Camp Green Lake. The boys are digging holes because the warden is looking for something. But what could be buried under a dried-up lake? Stanley tries to dig up the truth in this inventive and darkly humorous tale of crime and punishment—and redemption.

Mia Chen is on what her mother calls a Grand Adventure. She’s not sure what to make of this family trip to China, and didn’t want to leave her friends for the summer, but she’s excited about the prospect of exploring with her Aunt Lin, the only adult who truly understands her.

Then Aunt Lin disappears, right after her old nemesis, a man named Ying, comes to visit. Mia knows that years ago, when Aunt Lin and Ying were sent to the Fuzhou countryside to work as laborers, the two searched for an ancient treasure together—one that still hasn’t been found. She’s suspicious that their shared history might be linked to Aunt Lin’s disappearance.

When Mia discovers an old map filled with riddles in Aunt Lin’s room, she quickly pieces together her mission: find the treasure, find her aunt. Now, Mia, along with her big brother, Jake, must solve the clues to rescue the person she knows best in the world—and maybe unearth a treasure greater than her wildest dreams.

Jackson Greene swears he’s given up scheming. Then school bully Keith Sinclair announces he’s running for Student Council president, against Jackson’s former friend Gaby de la Cruz. Gaby wants Jackson to stay out of it — but he knows Keith has “connections” to the principal, which could win him the presidency no matter the vote count.

So Jackson assembles a crack team: Hashemi Larijani, tech genius. Victor Cho, bankroll. Megan Feldman, science goddess. Charlie de la Cruz, reporter. Together they devise a plan that will take down Keith, win Gaby’s respect, and make sure the election is done right. If they can pull it off, it will be remembered as the school’s greatest con ever — one worthy of the name THE GREAT GREENE HEIST.

This is another James Ponti (of City Spies fame) mystery that isn’t as good but still great.

Florian is twelve years old and has just moved to Washington. He’s learning his way around using TOAST, which stands for the Theory of All Small Things. It’s a technique he invented to solve life’s little mysteries such as: where to sit on the on the first day of school, or which Chinese restaurant has the best eggrolls.

But when he teaches it to his new friend Margaret, they uncover a mystery that isn’t little. In fact, it’s HUGE, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL.

Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

The Best Worst Summer follows two sets of kids three decades apart. In the present, Peyton and her family have just moved from Minneapolis to a small town named Lake Springs, leaving her best friend and their summer soccer camp tradition behind. She’s having the worst summer! Her brother is always playing video games. Plus, her mom’s new job has her pretty occupied, just as her dad’s graphic design job. But her summer gains new life when she discovers a box of secrets: a cryptic note to a friend, half of a “best friends” necklace, a playlist and several other items. After making her first new friend in the library, Peyton is eager to get to the bottom of the time capsule mystery.

Meanwhile, in 1989, best friends Jessica and Melissa are planning the best summer ever! They even plan to bury a time capsule. Jessica is an adopted Korean girl — one of the only Asians in her small town — and Melissa’s mom is hiding some deep secrets about their family. When the secret unravels, the girls’ lives are forever changed. That is until Peyton finds their time capsule in the present. The story alternates between past and present as we read Melissa and Peyton’s perspectives.

In this winner of the Newbery Medal from E.L. Konigsburg, when suburban Claudia Kincaid decides to run away, she knows she doesn’t just want to run from somewhere, she wants to run to somewhere—to a place that is comfortable, beautiful, and, preferably, elegant.

Claudia knew that she could never pull off the old-fashioned kind of running away…so she decided not to run FROM somewhere, but TO somewhere. And so, after some careful planning, she and her younger brother, Jamie, escaped — right into a mystery that made headlines!

Madi and her friends Jack and Aaron make a rescue at Lake Wild, saving two beaver kits, but they have a problem. Madi’s parents have said she cannot bring home any more strays. In fact, if she does, she’ll lose her trip to see acclaimed primatologist Jane Goodall. But neither Aaron nor Jack can take in the kits and their local shelter is full. Besides, the kids find that the kits’ parents have been shot dead. Madi takes them, hiding them in a shed on her parents’ property until she can figure out her next steps.

As she cares for the beavers, more adult beavers turn up shot dead. So Madi and her friends also need to figure out who is killing the beavers and why — all the while making sure her parents never figure out that she’s housing, feeding and bathing two beaver kits under their noses. Can Madi and the gang do it all? This is another perfect gentle mystery for older elementary readers.

Mia and her parents have moved to Vermont the summer after seventh grade to help look after her grandma. Before the move, Mia broke her arm falling off a balance beam in gymnastics. Since then, she’s packed up everything related to the sport she once loved, deciding to call it quits.

However, both Mia and her parents are in for a shock when they reach Vermont. Mia’s grandmother for one, doesn’t seem to need any care. In fact, she’s started a cricket farm! The only issue is that Mia’s grandmother is convinced that someone is trying to sabotage the farm — and there’s some evidence to back up her claims because weird disruptive things keep happening.

Mia and her new friends find themselves caught up with solving the mystery of her grandma’s farm debacles while trying to develop business strategies to promote the farm and cricket demand. As Mia gets into day camp and begins making new friends, readers start to realize that there might be more behind Mia’s decision to quit gymnastics.

Drew Leclair knows what it takes to be a great detective. She’s pored over the cases solved by her hero, criminal profiler Lita Miyamoto. She tracked down the graffiti artist at school, and even solved the mystery of her neighbor’s missing rabbit. But when her mother runs off to Hawaii with the school guidance counselor, Drew is shocked. How did she miss all of the clues?

Drew is determined to keep her family life a secret, even from her best friend. But when a cyberbully starts posting embarrassing rumors about other students at school, it’s only a matter of time before Drew’s secret is out.

Armed with her notebooks full of observations about her classmates, Drew knows what she has to do: profile all of the bullies in her grade to find the culprit. But being a detective is more complicated when the suspects can be your friends. Will Drew crack the case if it means losing the people she cares about most?

Things never seem to go as easily for thirteen-year-old Frankie as they do for her sister, Tess. Unlike Tess, Frankie is neurodivergent. In her case, that means she can’t stand to be touched, loud noises bother her, she’s easily distracted, she hates changes in her routine, and she has to go see a therapist while other kids get to hang out at the beach. It also means Frankie has trouble making friends. She did have one–Colette–but they’re not friends anymore. It’s complicated.

Then, just weeks before the end of seventh grade, Colette unexpectedly shows up at Frankie’s door. The next morning, Colette vanishes. Now, after losing Colette yet again, Frankie’s convinced that her former best friend left clues behind that only she can decipher, so she persuades her reluctant sister to help her unravel the mystery of Colette’s disappearance before it’s too late.

A powerful story of friendship, sisters, and forgiveness, Tornado Brain is an achingly honest portrait of a young girl trying to find space to be herself.

Science reigns supreme with this squad of young brainiacs. Join Izzy Newton and her friends in the first adventure of this fun new middle-grade fiction series from National Geographic Kids.

A crowded new school and a crazy class schedule is enough to make Izzy feel dizzy. It may be the first day of middle school, but as long as her best friends Allie Einstein and Charlie Darwin are by her side, Izzy knows it’ll all be okay. However, first-day jitters take an icy turn when Izzy’s old pal Marie Curie comes back to town. Instead of a warm welcome, Marie gives her former pal the cold shoulder.

The problems pile up when the school’s air-conditioning goes on the fritz and the temperature suddenly drops to near freezing. The adults don’t seem to have a clue how to thaw out the school. Cold temperatures and a frigid friendship? Izzy has had enough of feeling like an absolute zero. She rallies the girls to use their brainpower and science smarts to tackle the school’s chilly mystery … and hopefully to fix a certain frozen friendship along the way. Will the girls succeed and become the heroes of Atom Middle School?

Together with her best friend and reluctant sidekick, Meat, Herculeah Jones meets a famous mystery author, Mathias King, aka the Murder King. King’s novels mirror gruesome, real-life murders, particularly A Slash of Life, which is about an unsolved local stabbing. Some people believe Mathias King isn’t making up the details, could he actually be responsible for the crime? Herculeah’s sure she can find out. But Meat seems too busy with his new girlfriend to give Herculeah much of a hand. Can Herculeah solve this mystery on her own, or will Meat’s dating be this sleuth’s downfall?

Whodunit?

When best friends Darcy and Norah have to create a fake business for a school assignment, they come up with a great idea: a detective agency! Darcy loves mysteries, and Norah likes helping people, so it’s a perfect fit.

But then their pretend agency gets a real case. Someone is missing, and it’s up to Darcy and Norah to take on the search. Unfortunately, there’s someone else out there who doesn’t want the two detectives stirring up any trouble. . . .

With the help of hidden clues, spy gadgets, and trusted friends, can Darcy and Norah crack the case in time?

Shelby Holmes is not your average sixth grader. She’s nine years old, barely four feet tall, and the best detective her Harlem neighborhood has ever seen–always using logic and a bit of pluck (which yes, some might call “bossiness”) to solve the toughest crimes.

When eleven-year-old John Watson moves downstairs, Shelby finds something that’s eluded her up till now: a friend. The easy-going John isn’t sure of what to make of Shelby, but he soon finds himself her most-trusted (read: only) partner in a dog-napping case that’ll take both their talents to crack.

If you told Sloane Osburn and Amelia Miller-Poe that they’d be hiding in their town cemetery from an evil mastermind, they would have been hard-pressed to believe you. If you also told them that person was intent on beating them to a cache of long-lost jewels using nothing more than a slingshot and wicked aim, they’d have been sure you got your facts wrong. Finally, if you told them they’d be doing all of this as friends…well, they would have been sure you needed medical attention.

Whether through serendipity (really, really good luck) or zemblanity (really, really bad luck), someone tricked their teacher into using their seventh-grade class to investigate the mystery of their town’s long-missing treasure. From there, things have escalated. Quickly. Now, the girls are stuck hiding behind a gravestone, dodging acorns (who knew acorns could be so threatening?), and just a few clues short of those jewels.

It’s up to these enemies-turned-partners to uncover centuries-old clues to find the treasure at the end of this book before the mysterious person on their trail can get to it first…

No matter how dangerous his adventures have been, Art has always been able to count on his best friend, Camille. Now that Camille is meeting her estranged father, Art wants to be there for her—which means going to London.  

But Camille’s history professor father, renowned for expertise in British legend, is missing. When they visit his apartment, Art and Camille find a long-missing object that suggests the professor could be in trouble and solving a mystery related to London’s history. 

Follow Art and Camille as they visit the Tower of London, National Portrait Gallery, and ride the “tube” in hopes of uncovering the truth before it’s too late.