25 Must-Read Mystery Books For Kids

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I’ve compiled a list of The 25 the best Detective, Spy & Mystery books for kids.

When it comes to reading such books, the reading interest gets further increased because such books have a lot of suspense which makes them more interesting. A lot of mystery books for kids are one of the best ways to get entertains reading.

This list focuses on middle school mystery books for kids but every kid is different and may have different reading needs! Check out this list of 25 Must-Read Mystery Books for Kids.

These 25 Books are Some of the Best Mystery Books for Kids

There are so many fantastic mystery books for kids.

This list focuses on middle school mystery books for kids but every kid is different and may have different reading needs! Check out this list of 25 Must-Read Mystery Books for Kids.

Also Read: 30 Best Books About Kindness


1. 7 Ate 9

7 Ate 9 25 Must Read Mystery Books For Kids
7 Ate 9

It was a fantastic mystery books for kids

The rumor is that “7 ate 9,” and 6 worries that he’s next. Private I immediately sets out to investigate, soon discovering that all is not what it seems in the world of numbers…

This story follows a Private Detective shaped like an I named Al F. Bet as he tries to solve the mystery of what happened to 9. In a very detective noir plot, 6 rushed into the office upset because 7 was after him.

This plot develops unexpectedly but Al is not irrational…(See what I did there?)…he knows that there is more going on than meets the eye.

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2. The Mystery of the Missing Cake

The Mystery of the Missing Cake 25 Must-Read Mystery Books For Kids
The Mystery of the Missing Cake

This would be a great book mystery books for kids.

This book is about a fox who loves a good mystery. The fox is invited to a Halloween birthday party.

Unsure of whether or not to go, the fox ultimately puts on his costume and goes to the party.

While at the party the guests decide to play a game in the dark! While in the dark the “crime” takes place. Once the lights are turned on the cake is missing!

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3. Betty’s Burgled Bakery: An Alliteration Adventure (Kids Adventure Books, Children’s Books, Mystery Books for Kids) 

Betty's Burgled Bakery: An Alliteration Adventure (Kids Adventure Books, Children's Books, Mystery Books for Kids) 25 Must-Read Mystery Books For Kids
Betty’s Burgled Bakery: An Alliteration Adventure (Kids Adventure Books, Children’s Books, Mystery Books for Kids) 

The mystery books for kids story is fun, silly, and easy for the kids.

A crime is taken place inside a bakery and and an animal detective agency, Gumshoe Zoo, 

The story is about a bakery owner who notices that her bakery has been burgled.

So the Gumshoe Zoo crew goes to investigate. At each stage of the process, they use a lot of alliteration in their interactions with each other.

The culprit can be spotted a mile away, but that’s probably not important; it’s the alliteration that’s the star here.

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4. The Eleventh Hour: A Curious Mystery

The Eleventh Hour: A Curious Mystery  25 Must-Read Mystery Books For Kids
The Eleventh Hour: A Curious Mystery

The whole family got in on this mystery.

Here is a story about Horace’s (an elephant) eleventh birthday party, and apparently there’s a mystery to solve! The mystery isn’t revealed until near the end.

Horace the Elephant is planning a spectacular party for his 11th birthday. He plans all sorts of games and events, such as pool, chess, and tennis.

The most important part of the party, however, is the giant feast that he promises to feed his guests on the 11th hour.

Once the time to feast arrives, all of the food is gone! Every guest denies stealing the food, but someone has to be lying. Who could commit such an atrocious act?

This is a good mystery books for kids.

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5. Richard Scarry’s The Great Pie Robbery and Other Mysteries

Richard Scarry's The Great Pie Robbery and Other Mysteries 25 Must-Read Mystery Books For Kids
Richard Scarry’s The Great Pie Robbery and Other Mysteries

What a great book each little mystery is so fun as you read them to the little ones you soon have the bigger kids gathered around to.

Features three mystery stories – together for the first time in one fun volume! Meet Sam Cat and Dudley Pig, detectives:

they find fingerprints and search for clues, they catch robbers, they delight young readers with their antics!

What kids will love most, though, are the madcap, slapstick-filled pictures; adorable animal characters; and the engaging (but sometimes clueless) heroes who dress up in a hilarious series of disguises.

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6. The Invention of Hugo Cabret

The Invention of Hugo Cabret 25 Must-Read Mystery Books For Kids
The Invention of Hugo Cabret

The story begins with the visualization of a Paris evening Hugo Orphan Watch thief steals from Paris railway station But when he meets a bookish girl and an old man, his world changes.

Hugo’s undercover life and his most precious secret, are put in jeopardy. This is interesting mystery books for kids.

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7. Miss Nelson Is Missing! (Read Along Book)

Miss Nelson Is Missing! (Read Along Book) 25 Must-Read Mystery Books For Kids
Miss Nelson Is Missing! (Read Along Book)

Harry Allard has written a clever mystery books for kids about how the kids of room 207 learned the hard way about behaving when they are nearly stuck with a cruel teacher when their sweet teacher suddenly disappears from school.

The students in Miss Nelson’s class, Room 207, were misbehaving again. No matter how nicely Miss Nelson asked they won’t stop talking, they won’t do their schoolwork, they were even rude during story hour!

Sweet Miss Nelson knew something had to be done. The next day at school Miss Nelson did not arrive in Room 207.

The students were ecstatic, until they heard an unpleasant voice hissing down the hall. The substitute teacher had arrived. Her name was Miss Viola Swamp and her mood was as ugly as her black dress.

She put the kids right to work and they knew she meant business. They had stacks of homework and story hour was canceled.

As the days passed the kids realized they missed Miss Nelson! They tried to find her. They even went to the police department and talked to Detective McSmogg, but Miss Nelson was nowhere to be found.

When the kids spied on Miss Nelson’s house, they were scared away when Miss Swamp came around the corner.

There was nothing the kids in Room 207 could do. They might be stuck with Miss Swamp forever! But then one morning they hear a sweet voice ring out, “Hello, children.”

Miss Nelson had returned! And she was happy to find her class had not only missed her, but were very well behaved too!

As to the whereabouts of Miss Viola Swamp, well, that’s Miss Nelson’s secret and she’ll never tell.

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8. The Extraordinary Education of Nicholas Benedict

The Extraordinary Education of Nicholas Benedict 25 Must-Read Mystery Books For Kids
The Extraordinary Education of Nicholas Benedict

A delightful, heartwarming, and spirited story mystery books for kids.

In The Extraordinary Education of Nicholas Benedict, a brilliant but lonely orphaned boy discovers an intriguing puzzle and ultimately finds friendship and purpose as he tries to solve it.

Nicholas Benedict is only nine years old, but he has many times more intelligence, curiosity, and resourcefulness than most adults ever attain.

But even at such a young age, he’s had a disappointing and difficult life. He’s been passed from one orphanage to another, and life has only ever dealt him hard knocks, injustice, and misfortune.

His brilliant mind and memory often get him into trouble, even though it also helps him find ways out of it.

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9. Detective LaRue: Letters from the Investigation

Detective LaRue: Letters from the Investigation 25 Must-Read Mystery Books For Kids
Detective LaRue: Letters from the Investigation

This mystery books for kids could be used as a teaching tool in the classroom when teaching the skills of making predictions or wondering

Detective LaRue: Letters from the Investigation is about a dog named Ike who gets detained in jail for the disappearance of two missing cats.

Ike writes letters to his owner Mrs. LaRue who is on vacation, pleading his innocence and sharing his side of the story.

Meanwhile, the canary burglars are on the prowl and making headlines.

Ike escapes the police and works on solving the case of the missing cats himself.

Ike finds the missing felines, the canary burglar and becomes a hero in his community.

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10. Baby Monkey, Private Eye

Baby Monkey, Private Eye 25 Must-Read Mystery Books For Kids
Baby Monkey, Private Eye

The true brains in this town belong to Baby Monkey. He’s a baby, he’s a monkey, and he’s a crime fighting genius.

With every client that crosses the threshold of his office, he has a routine in place.

Examine the evidence. Take notes. Have a snack. Put on some pants (that particular part of the job is a bit on the trying side).

And solve that crime! Baby monkey always gets his man. But when his final case involves a missing baby, that’s when things start getting personal.

This is a brilliant mystery books for kids.

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11. The Haunted Library #1

The Haunted Library #1 25 Must-Read Mystery Books For Kids
The Haunted Library #1

Just a cute little paranormal mystery books for kids about a ghost named Kaz and a girl named Claire.

Kaz is a ghost who gets separated from his family when he gets blown “outside” then blown away from his family.

He end up at a library that is reported to be haunted. A girl, Claire, can see him (and other ghosts, too);

she is eager to be a detective like her parents, so she takes notes on all the ghosts she sees.

Claire and Kaz ultimately team up to find the ghost that is haunting the library.

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12. The Boxcar Children Books 1-4 ( Cover may Vary )

The Boxcar Children Books 1-4 ( Cover may Vary ) 25 Must-Read Mystery Books For Kids
The Boxcar Children Books 1-4 ( Cover may Vary )

This is a book about children who start off with nothing, but managed to survive and even thrive on their own resourcefulness. This was probably a very powerful mystery books for kids.

A story about orphan siblings whom ran away from their grandfather that they never saw and knew he would treat them badly, as he didn’t like their late mother.

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13. Where’s the Big Bad Wolf?

Where's the Big Bad Wolf? 25 Must-Read Mystery Books For Kids
Where’s the Big Bad Wolf?

This is another fun, mystery books for kids.

Story about elementary school students. It’s one version of the three little pigs and the big bad wolf told from a different perspective.

The narrator is a police detective dog named Phineas T. Doggedly and is looking for the big bad wolf who keeps being “bad” and disrupting the peace in town.

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14. The Mysterious Benedict Society (The Mysterious Benedict Society (1)) 

The Mysterious Benedict Society (The Mysterious Benedict Society (1)) 25 Must-Read Mystery Books For Kids
The Mysterious Benedict Society (The Mysterious Benedict Society (1)) 

It was a wonderful mystery books for kids about four children who agree to help save the world.

It was full of mysteries friendship suspense story.

n the Mysterious Benedict Society, four children with four different problem solving skill sets come together to solve a mystery.

Those four children consist of the reader, who has the amazing ability to memorize things;

the engineer, who has the amazing ability to create anything to solve the task at hand from materials she carries with her; the baby, whose chief attribute is to be unpredictable and not listen to the rules much less follow them;

and the professional puzzle solver, who looks at everything as a riddle needing a solution.

The dangerous mystery they must solve can only be done by children because adults are far too complicit in the evil.

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15. Escape from Mr. Lemoncello’s Library

Escape from Mr. Lemoncello's Library  25 Must-Read Mystery Books For Kids
Escape from Mr. Lemoncello’s Library

Escape from Mr. Lemoncello’s Library is a fun mystery book for kids.

The town of Alexandriaville, Ohio has not had a public library in 12 years, and millionaire toy maker Luigi Lemoncello has sponsored a new, state of the art library.

For a grand opening he has invited 12 twelve year olds to spend the night and then take part in a survivor type game to escape from the library.

The winner will get to star in his tv commercials.
Our protagonist is Kyle Keeley the younger brother to overachieving Curtis and sports star Mike.

Lost in their limelight, Kyle finally has his turn to shine as he takes part in the library escape.

As he forms an alliance with his friends, Kyle works to solve Lemoncello’s clues in order to win the game.

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16. Encyclopedia Brown, Boy Detective

Encyclopedia Brown, Boy Detective  25 Must-Read Mystery Books For Kids
Encyclopedia Brown, Boy Detective

Missing roller skates…

A trapeze artist’s inheritance…

And an eyewitness who’s legally blind!

Theses are just some of the ten brain-twisting mysteries that Encyclopedia Brown must solve by using his famous computerlike brain.

Try to crack the cases along with him–the answer to all the mysteries are found in the back!

In case you’re not familiar with Encyclopedia Brown, here’s what happens.

He is a boy detective (10 years old) who gets paid, mostly by neighbor hood kids, to solve mysteries.

So each chapter is a different case. The client lays out the details, Encyclopedia thinks about it for a while, sometimes doing a little investigating, and then he announces he has the solution. 

It was a great mystery books for kids.

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17. Sammy Keyes and the Hotel Thief

Sammy Keyes and the Hotel Thief 25 Must-Read Mystery Books For Kids
Sammy Keyes and the Hotel Thief

Sammy Keyes mystery books for kids series.

Sammy, 12 year-old solver of small town crimes, never wastes time worrying about how pretty or thin she is, despite being in the high-peer-pressure world of middle school.

Her appearance is totally irrelevant to her–what matters is her brains, her heart, and her guts.

Thirteen-year-old Sammy, who lives illegally at her grandmother’s “seniors only” apartment sees a crime committed while she’s looking through her binoculars—and the thief sees her.

Booktalk: Sammy Keyes’ life is already crazy. She’s living illegally with her grandma in a seniors-only apartment complex while her mother tries to find an acting job out in California.

While looking through her binoculars at the “seedy hotel” across the road—when her grandma has specifically told her NOT to be she sees someone who looks vaguely familiar committing a crime and then, the thief sees her.

No way the thief could be sure she saw him right? Well, maybe not if she hadn’t waved at him.

To complicate things, her grandma’s neighbor has taken to spying on the apartment trying to prove that Sammy’s living there, which means that Sammy and her grandma have to get pretty creative to get Sammy in and out.

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18. The Hidden Staircase (Nancy Drew Mystery Stories #2)

The Hidden Staircase (Nancy Drew Mystery Stories #2)  25 Must-Read Mystery Books For Kids
The Hidden Staircase (Nancy Drew Mystery Stories #2)

A very unpleasant man confronts Nancy Drew one day when she is alone in the house.

Thanks to her resourcefulness, he is quickly sent on his way. He’s pushed out of Nancy’s mind when an acquaintance begs her to help solve what seems to be a haunting at a local mansion.

When Nancy goes for a week’s stay, mysterious events come fast and furious.

Could there really be a ghost? Or is there an all-too-human reason for someone to want two older ladies to abandon their family home?

It was a fantastic mystery books for kids.

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19. Masterpiece

Masterpiece 25 Must-Read Mystery Books For Kids
Masterpiece

A very cute mystery books for kids.

The book had an interesting main character. His name was Marvin and he is a beetle.

He is a nice, kind, and helpful little creature. He wanted to help one a boy by painting a picture for him.

Little did he know but that picture will lead him to a mystery

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20. The Ghosts of Tupelo Landing (Mo & Dale Mysteries)

The Ghosts of Tupelo Landing (Mo & Dale Mysteries) 25 Must-Read Mystery Books For Kids
The Ghosts of Tupelo Landing (Mo & Dale Mysteries)

This is just really fun. The main character, Mo (full name Moses), is a crime detecting 12 year old with her best friend Dale in tow.

They’re an odd bunch–Mo has a strong command of vocabulary, and Dale takes things literally so much that Mo must always whisper, “rhetorical,” when he starts to answer a rhetorical question.

Kids really enjoy this mystery books for kids.

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21. Cam Jansen and the Mystery of the Stolen Diamonds

Cam Jansen and the Mystery of the Stolen Diamonds 25 Must-Read Mystery Books For Kids
Cam Jansen and the Mystery of the Stolen Diamonds

This is an interesting story mystery books for kids about a young girl with photographic memory who solves a mystery based on her observations.

Cam Jansen is a young girl with a photographic memory that has a pension for solving mysteries.

One day while waiting in the mall with a friend Eric, they see that there is a commotion at the jewelry store.

They see many different people come running out of the store before the police arrive and Cam learns that the store has been robbed.

Using her excellent memory, Jan recalls that immediately after hearing the alarm she saw a man with a mustache run out of the store, then a young couple with a baby and two older female friends left.

All of these people were gone by the time the police arrived and chased after the first man that left.

When the police returned to the store with the man, they were told that he was not the one that stole the jewelry.

With the police thoroughly confused, Cam decides that it is up to herself and Eric to solve this mystery.

They decide to follow the mustached man to a house not far from the mall.

Once there, Erica and Cam see that he is meeting with the young couple from the store. Cam enters the building while Eric looks for the police officers.

After a close call, Cam discovers that all three worked together to steal diamonds, and Eric arrives with the police to arrest the thieves.

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22. Book Scavenger (The Book Scavenger series)

 Book Scavenger (The Book Scavenger series) 25 Must-Read Mystery Books For Kids
Book Scavenger (The Book Scavenger series)

Emily is an avid reader but also an avid member of the Book Scavenger game founded by Garrison Griswold.

She is working up the ranks in the game, with the aim to achieve the highest detective status.

This involves solving codes and riddles in order to find books that are hidden across the country – if not the world – and hiding books in return for other members to find etc.

Griswold lives in San Francisco, and Emily has just moved there with her family –

who have set a goal of living in every state, which has become tiring for Emily, but not so much her brother Matthew, who has grown used to this lifestyle – and is therefore excited to be in the city where it all started.

However, Emily soon finds out that Griswold was attacked and lies in critical condition leaving the local scavenger hunt cancelled.

She is severely disappointed of course, and befriends her neighbour James, who takes her and Matthew on a tour of the city, unintentionally leading them to the location of the attack.

There, Emily finds a brand new book by Edgar Allen Poe in the bin, which she mistook for a book left by another Book Scavenger.

So she takes it, and leaves her membership card.

This begins a tale of adventure, mystery and suspense, with Emily and James right in the middle of it.

Unaware, Emily had not just taken the book that the attackers were looking for, and are now on her tail, but also the first clue to the start of the local scavenger hunt game that Griswold had planned before his untimely attack.

Realizing all of this, Emily is determined to finish the game with the help of James, and occasionally, her brother Matthew, getting herself in all sorts of trouble.

It was full of adventures mystery books for kids.

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23. Three Times Lucky (Mo & Dale Mysteries)

Three Times Lucky (Mo & Dale Mysteries)  25 Must-Read Mystery Books For Kids
Three Times Lucky (Mo & Dale Mysteries)

Three Times Lucky tells the story of Mo LoBeau, a sixth grader with no biological mother in sight.

She was sent downstream on a raft during a hurricane and adopted by amnesiac Colonel and his girlfriend Miss Lana.

Although she spends most of her time thinking about her “Upstream Mother”, Mo finds herself with another mystery at hand when local man Mr. Jesse is murdered.

Mo and her best friend Dale act as Detectives to try to solve the mystery of the murder, and encounter a hurricane and a kidnapping while they’re at it.

This is very much a traditional mystery books for kids.

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24. The Maze of Bones

The Maze of Bones  25 Must-Read Mystery Books For Kids
The Maze of Bones

It is about two kids and when they go to there grandma’s funeral. They get invited to a ‘scavenger hunt’ to be the most powerful cahill ever.

Benjamin Franklin was a cahill, and the two kids have to go around finding his clues to the thirty-nine clues. It is actually a very good story mystery books for kids.

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25. When You Reach Me (Yearling Newbery)

When You Reach Me (Yearling Newbery)  25 Must-Read Mystery Books For Kids
When You Reach Me (Yearling Newbery)

Miranda is twelve, and her best friend has ditched her. Then one day she comes home after school to find their apartment unlocked.

Nothing seems to have been taken, but Miranda finds a note tucked into her library book addressed to her.

The writer tells her that she needs to write the story down for him because he’s going to try to save her friend’s life and maybe his own.

This is followed by other notes found in impossible places; each giving her information about something that hasn’t happened yet.

When they start to come true, she starts to believe what the notes tell her. Someone’s life is in danger. But whose.

Full of suspense mystery books.

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Frequently Asked Question

What are some good mystery books for 7th graders?

Here are seven middle-grade mysteries to cozy up with on dreary days.
Three Times Lucky (Mo & Dale Series #1) Paperback $8.99.
Liar and Spy. Paperback $7.99.
Absolutely Truly (Pumpkin Falls Mystery Series #1) Paperback $8.99.
Click Here to Start (A Novel) Paperback $8.99.
The Marvels. Hardcover $32.99.
Chasing Secrets. …
Holes.


What are some good mystery books for 13-year-olds?

10 Great Mystery Books For Teens
Pretty Girl-13 by Liz Coley.
Charm and Strange by Stephanie Kuehn.
The Arsonist by Stephanie Oakes.
Overturned by Lamar Giles.
Out of the Easy by Ruta Sepetys.
Little Monsters by Kara Thomas.
This is Our Story by Ashley Elston.

What is a good mystery book?

The Best Ever Mystery Novels
The Maltese Falcon, Dashiell Hammett.
The Girl with the Dragon Tattoo, Stieg Larsson.
And Then There Were None, Agatha Christie.
The Curious Incident of the Dog in the Night-Time, Mark Haddon.
Rebecca, Daphne du Maurier.
The Spy Who Came in From the Cold, John Le Carré
Gone Girl, Gillian Flynn.