Mystery Books for 9–12 Year Olds
180 mystery books for 9–12 year olds, sorted by rating — page 2 of 2.
Scaredy Bat and the Holiday Mysteries A Mystery Short Stories
Marina J. Bowman
Get ready to face your fears on a spooky mystery adventure! From award-winning author Marina J. Bowman, this BookLife Editor’s Pick is spooky, funny, and heartwarming – the perfect Halloween read that teaches kids to face their fears while sparking a love for reading. In the charming supernatural to
Science Week science for kids
Cally Finsbury
55% off bookstores! discount retail price now at $27,95 instead of $35,95 Kids, have you ever had a cool science demonstration at school and wanted to learn more about it at home? Have you ever wondered about something and thought your parents or caregivers could help you learn more about it? Or, ar

Scooby Doo VOL 02 Ruh-Roh (Scooby-Doo (Graphic Novels)) by Chris Duffy
Chris Duffy
Join Scooby and the gang in these ten new adventures.
Secret Hidden Pictures Puzzles (Highlights™ Secret Puzzle Books) by Highlights
Highlights
Kids ages 6-9 will feel like detectives when they search for hidden objects in this unique Hidden Pictures book. This 96-page collection comes with a seek-and-find lens to help puzzlers reveal over 1,000 hidden objects within 55+ red-on-blue scenes. The easy-to-use and simple-to-store lens adds more
Secret Magic (Evie Everyday Witch Book 1) by Elena Paige
Elena Paige
Paperback
Shadow Jumper A mystery adventure book for children and teens aged 10-14
J M Forster
Shadow Jumper is winner of the Gold Award in the Wishing Shelf Book Awards 2014. A thrilling mystery adventure with contemporary themes, for children aged 10 and above. The truth is out there somewhere . . . but how far will Jack jump to find it? Jack Phillips's allergy to sunshine confines him to t
Shadow Stallion Book 7
Whitney Sanderson
At the Symbol Ceremony, unicorn foals get their symbols. Iris and Ruby perform the ceremony under the full moon for Starsong and Heart's Mirror. Afterward, Iris discovers a new unicorn is watching them: a unicorn with the marks of a dragon. According to legend, a unicorn born under the Dragon Moon w
Sherlock Holmes The Dancing Men
Alex Woolf
Retold in graphic novel form, Sherlock Holmes investigates the appearance of some strange drawings. Includes a section explaining Holmes's reasoning and the clues he used to solve the mystery.
Skylar Robbins The Mystery of the Hidden Jewels
Carrie Cross
A deserted mansion perches on a steep hillside, overlooking a rocky canyon. Tattered curtains hang behind broken windows, and a turret stretches toward the sky. Three years ago the wealthy owner disappeared suddenly, leaving behind a house full of secrets: A mysterious note, tantalizing clues, a hid
Speed Reader (Volume 1) (The Speed Reader) by Matthew Cody
Matthew Cody
When Zander Fast discovers an old book that gives him the power of super speed, he finds himself the last in a long line of heroes. But is the world ready for a hero right now? The Flash meets The Bad Guys in this all-new, action-packed graphic novel series from the award-winning creator of the Cat
Squirrel Lock Holmes #1 The Pet Rock Mystery (A Graphic Novel) by Ashley Belote
Ashley Belote
It's a mystery, my dear Watson! Detective Squirrel Lock Holmes and her trusty sidekick Mole Watson are on the hunt for a missing pet rock in this first book of the hilarious early graphic chapter book series. THE CASE OF THE MISSING PET ROCK Victim: Reggie the Rabbit's Pet Rock, Dwayne (aka, "the Ro
Star Friends 4-Book Boxed Set, Books 1-4 Mirror Magic; Wish Trap
Linda Chapman
"Mia and her friends Lexi, Sita, and Violet discover that they are Star Friends--they have magical powers, and they can communicate with the animals who have traveled from the Star World. Together, they use their unique abilities to do good--and stop the dark magic at work in each exciting adventure
Stephen McCranies Space Boy Volume 23 by Stephen McCranie
Brian K
“There comes a time when you must close your petals, lock the door, and hide yourself away from the world.” Overwhelmed with emotions after hearing Dr. Kim’s tragic story, Amy desperately seeks solitude. When an unexpected source lends Amy a hand, she discovers another member of the FCP who may be m
Storm Quest (Adventure Gamebooks) by Andy Prentice
Andy Prentice
Do you have what it takes to sail into the eye of the storm? Prepare for terrifying sea monsters, waves the size of mountains and a desperate race against time as you try to find the only thing in the world that can save the person you love the most. With an exciting dice-based combat system (comple
Sudoku Puzzle Genius A Book of Brain Teasers by GOPAL PARMAR
Gopal Parmar
Sudoku Genius Mind Exercises, Volume 1: Spring Garden, Alabama State of Mind Collection Description: 5x8 expertly bound book with 106 pages of simple to extreme Sudoku puzzles (solutions included!). All Book covers are designed by Coco Piracci -- they're collectable editions. Great for you or as a g
Tardy Bells and Witches Spells A Cozy Witch Mystery
Sarina Dorie
Nerdy high school outcast, CLARISSA LAWRENCE, has always felt like she didn't belong in this world. More than anything, she wants magic to be real-and not just because she's obsessed with Harry Potter and tries to go to Narnia by reading fantasy novels in her wardrobe. Yet, when she stumbles upon re
The Annotated Secret Garden (The Annotated Books) by Frances Hodgson Burnett
Frances Hodgson Burnett
The much-loved tale that has been read by generations of children is now annotated and includes more than 100 stunning illustrations.
The Big Brain Teasers Book for Kids Logic Puzzles, Hidden Pictures
Woo! Jr. Kids Activities
Bursting with Over 350 Brain Teasers for Kids (Ages 9-12) Filled to the brim with engaging activities, this big book of brain teasers for kids is designed to help your clever kids stay off the screens and nourish their brains. Brain games, mind twisters, and more. This huge book of brain teasers for
The Black Market by Jed Alexander
Jed Alexander
When Martin's great-aunt brings him an unusual pair of shoes, Martin is determined to find the strange marketplace where she bought them--the Black Market, a constantly relocating swap meet where the world's strangest and most dangerous items are exchanged by some very suspicious (and disguised) cha
The Boxcar Children Bookshelf (The Boxcar Children Mysteries, Books 1-12)
Gertrude Chandler Warner
A deluxe Boxcar bookcase that contains 12 titles—The Boxcar Children Mysteries #1 through #12. Also included are Boxcar activities, poster, and accordion bookmark with title checklist. The bookcase can expand to hold up to 32 books.
The Boxcar Children Classic Treasury All 19 Original Mysteries
Gertrude Chandler Warner
Introduce a new generation of readers to the Boxcar Children chapter books with this classic treasury boxed set, featuring all nineteen of Gertrude Chandler Warner's original mysteries! Henry, Jessie, Violet, and Benny Alden are four brave siblings who were searching for a home when they discovered
The Boxcar Children DVD and Book Set
Gertrude Chandler Warner
Henry, Jessie, Violet, and Benny are orphans. The only way they can stay together as a family is to make it on their own. So when the children find an abandoned boxcar in the woods, they decide to call it home--and become the Boxcar Children! This set includes Gertrude Chandler Warner's classic chap
The Boxcar Children Great Adventure 5-Book Set by Gertrude Chandler Warner
Gertrude Chandler Warner
This boxed set includes all 5 paperback books from the brand-new, very special Boxcar Children Great Adventure miniseries. Launched to time with the 75th Anniversary of the beloved brand, this is the first new series to debut under The Boxcar Children name in nearly 20 years. After finding a ceramic

The Boxcar Children Mysteries Boxed Set 1-4 The Boxcar Children
Gertrude Chandler Warner
The paperback editions of The Boxcar Children Mysteries: #1, The Boxcar Children; #2, Surprise Island; #3, The Yellow House Mystery; and #4, Mystery Ranch are offered together in a cardboard case.
The Candy Factory Mystery A Valentines Day Holiday Special
Gertrude Chandler Warner
When Grandfather's friend Mrs. Winkles needs some extra workers at her candy factory, the Boxcar Children are thrilled to help. What could be more fun than spending their days making candy? But working in the factory isn’t as sweet as they expected. Workers are quitting, machinery is breaking down,
The Case of the Carnival Monster Book 4
Chi-hyeon Ahn
Nancy is looking for the trickster who is spoiling all the fun or else the show may be cancelled.
The Case of the Scarlet Snakebite by Christyne Morrell
Christyne Morrell
A haunted house, a mysterious kidnapping and a poet's demonic visions are just the beginnings of three connected cases that lead Sherlock Holmes into confrontation with the infamous black magician Aleister Crowley and, more sinisterly, his scorned Scarlet Woman. The fact that Dr. Watson did not publ
The Charmed Children of Rookskill Castle by Janet Fox
Janet Fox
“An enchanting, ghostly story that had me in its grip until the last page."—Jennifer A. Nielsen, New York Times and USA Today best-selling author of The False Prince “Keep calm and carry on.” That’s what Katherine Bateson’s father told her, and that’s what she’s trying to do: when her father goes of
The Codebreakers Club 150+ Logic Puzzles to Solve the Mystery
Naoya Imanishi MEd
What happened to Professor Perez? Young sleuths will be eager to unravel the mystery in this interactive story packed with logic puzzles. When the Codebreakers Club’s beloved professor goes missing, it’s time to get to the bottom of this puzzling problem. Chris, Kaira, and Ren soon discover some ver
The Dark World (Space Scout) by H. Badger
H. Badger
Space Scout is another fantastic series from the creators of Zac Power! As soon as Kip lands on this weird, dark planet, the aliens there are struck down by a mysterious sickness. Either Kip is deadly to the aliens, or there’s something more sinister going on...
The Everything Kids Math Puzzles Book Brain Teasers, Games
Meg Clemens
Stump your friends and family with this fun, challenging math puzzle book! Who knew that math could be so cool? Crammed with games, puzzles, and trivia, The Everything Kids’ Math Puzzles Book puts the fun back into playing with numbers! If you have any fear of math—or are just tired of sitting in a
The Famous Five Mystery Puzzle Book by Enid Blyton
Enid Blyton
Can you help Julian, George, Dick, Anne and Timmy, better known as The Famous Five, solve these puzzling brain teasers? Find secret passageways, make your way through the maze-like tunnels and figure out where the smugglers are hiding with your five favourite adventurers. These fun five-minute puzzl
The Forest Sprite Mina; Book 5 Magical Childrens Anthology Star
Jacqueline Alcot
This enchanting forest fantasy adventure introduces young readers to Mina, a magical sprite who discovers her unique abilities while exploring the natural world around her. Through her woodland journ...
The Great Book of Monster Legends Stories and Myths from Around the World
Tea Orsi
The Great Book of Monster Legends is a fun introduction to mythical creatures from all over the world! Readers are guided by two girls, Erin and Nora, who found their grandfather's old notebook in the attic. He was a monster expert, and the notebooks are filled with his research. But his research is
The Great Mouse Detective Mastermind Collection Books 1-8
Eve Titus
Join Basil, the Sherlock Holmes of the mouse world—and the inspiration for the hit Disney film The Great Mouse Detective—as he solves some of his most thrilling cases in this entertaining boxed set! Basil—the detective mastermind of the mouse world—lives in the cellar of Sherlock Holmes’s house. A d
The Incorrigible Children of Ashton Place Book II The Hidden Gallery
Maryrose Wood
Fifteen-year-old Miss Penelope Lumley, a governess trained at the Swanburne Academy for Poor Bright Females, takes the three Incorrigible Children of Ashton Place to London, England, and learns they are under a curse.
The Inheritance Games (The Inheritance Games, 1) by Jennifer Lynn Barnes
Jennifer Lynn Barnes
Don't miss this New York Times bestselling "impossible to put down" (Buzzfeed) novel with deadly stakes, thrilling twists, and juicy secrets--perfect for fans of One of Us is Lying and Knives Out. Avery Grambs has a plan for a better future: survive high school, win a scholarship, and get out. But h
The Key House (The Noland Kids Adventure Series)
Mike Curtis
Join the Noland Kids as they have moved into a newly inherited house and must unravel a centuries-old family secret that leads them on a dangerous adventure to clear their great-great-grandfather's good name.

The Legend of the Firewalker by Steve Bevil
Steve Bevil
"It's terrific! I love your wise-cracking hero, who finds himself thrust into these bizarre circumstances with no real guide. And I love the set-up of the supernatural world and these well-defined characters. It's got a strong cinematic feel and it creates tremendous atmosphere. In short, you've don
The Mean Girl Who Never Speaks (Detective Mya Dove Book 1)
Zuni Blue
Mya is investigating Libby, the new girl at school. Libby won't speak, smile or play with anyone. The Children's Police Force thinks she is mean, but they need proof. Finding proof is Mya's job. It won't be easy. Libby isn't just mean, she is sneaky, too. When Mya talks to her, Libby fake cries in c
The Memory Stone (Dragons of Camelot Book 2)
Bryan Davis
Attention all rebels, the world is no longer as we know it. The Red Dragon Society's Unified Government and Unidex identification system have taken over, leading to the enslavement of humanity. In this dystopian world, Kevin O'Brien and his family and friends are on the run, constantly hiding from t
The Mermaid Reveal (School for Unusual Magic #3) by Liz Montague
Liz Montague
Three friends discover magic and mayhem around every corner of their school in this illustrated series from New Yorker cartoonist and NAACP Image Award nominee Liz Montague that's perfect for fans of Witchlings and The Wizards of Waverly Place. Lav is about to start at a new school in Chicago, but h
The Missing Book (Young Mandie Mystery Series #6)
Lois Gladys Leppard
Mandie's reading book is missing. Her good friend Joe carries her books to and from school, but he doesn't have it. She doesn't dare tell her parents, and there is no bookstore in Charley Gap. The search is on. Will Mandie's book turn up, and where? Includes a craft project for young readers.
The Music Of The Night (The Tales Of Wooffers Woods Book 25)
Betty Fasig
This enchanting woodland adventure invites young readers into a moonlit world where forest friends discover the source of a mysterious, beautiful melody that drifts through the trees after dark. Bett...
The Mystery in the Snow A Christmas Holiday Special
Gertrude Chandler Warner
The winter carnival is underway at Snow Haven Lodge! The Boxcar Children are competing in several events, like skiing and snow sculpture building. But when skis go missing and snow sculptures are smashed, it seems someone might be trying to ruin the competition. Will the Aldens find the culprit?
The Mystery of Adventure Island
Paul Moxham
Are you up for a thrilling adventure?While visiting a village on the French coast, the Mystery Kids hear about a sea monster that haunts the nearby cove and decide to investigate.Follow the children as they are trapped in a flooded room, explore a desolate island, escape in a canoe, swim in foggy wa
The Mystery of Hidden Valley (The Mystery Series Book 3)
Paul Moxham
"Mr. Paul, a veteran rancher as well as an author, writes fine action scenes, and his descriptions of nature and animals can seem just as thrilling." —Tom Nolan, Wall Street Journal For readers of Craig Johnson and C. J. Box, a taut, fast-moving contemporary thriller that builds to an explosive, act
The Mystery of Smugglers Cove
Paul Moxham
This middle-grade mystery adventure plunges readers into a classic seaside whodunit where four young friends stumble upon suspicious activity near their coastal holiday home. When strange lights and ...
The Mystery of the Missing Money
Paul Moxham
This middle-grade mystery delivers classic detective adventure with a compelling puzzle that will keep young readers turning pages. When a significant sum of money disappears under suspicious circums...
The Mystery of the Stolen Statue (10) (Third-Grade Detectives)
George E. Stanley
The Third-Grade Detectives investigate when a fifteenth-century statue is stolen from and art museum and destroyed.
The Mystery on the Mississippi Trixie Belden
Kathryn Kenny
It's anchors away for Trixie as she travels down the Mississippi River. No, it’s not on the old-fashioned paddle-wheel steamship she always dreamed of, but the trip is still more exciting than she ever imagined. Someone is shadowing her every move, trying to steal to the mysterious graph papers Trix
The Mystery Series Collection
Paul Moxham
Book 1 of 21 in the bestselling standalone middle grade mystery series! ★★★★★ Over 4,000 five star series reviews/ratings on Amazon and Goodreads! Are you up for a thrilling adventure? When twelve year old Joe and his two younger sisters visit Smugglers Cove for the summer holidays, they get caught
The Night Librarian A Graphic Novel by Christopher Lincoln
Christopher Lincoln
Night at the Museum meets The Land of Stories in this thrilling new graphic novel adventure series in which two siblings, a mysterious Night Librarian, and a motley cast of book characters try to save the New York Public Library Twins Page and Turner know about the magic a library holds—they’ve been
The Open Ocean (Life In the Sea) by Pam Walker
Pam Walker
A comprehensive resource on the ocean's inhabitants presents living things in their physical habitats, emphasizing the relationship between marine biology and marine ecology, and the impact humans have on the area.
The Outer Planets (Space Detectives) by Craig Boutland
Craig Boutland
Up-close, exciting photos and illustrations illuminate our solar system's outer planets for young readers. Pair that with fun facts, short sentences, and labeled images, and any student will love exploring what's beyond our planet. These nonfiction early chapter books are essential reading for any y
The Phantom Music Box (The Haunted Museum Book 2)
Suzanne Weyn
Emma skips ballet class to attend her best friend's birthday party at the Haunted Museum. In a spooky exhibit of music boxes, she's drawn to one. That very night, the music box appears at her door. Emma dances better than she ever imagined when the music box is playing, but the more she learns about
The Revenge of Magic Epic Collection Books 1-3 The Revenge of Magic
James Riley
Magic reawakens in this thrilling new series from the author of the New York Times bestselling Story Thieves! Thirteen years ago, books of magic were unearthed around the world, buried next to the bones of dragons. But only the children born after “Discovery Day��� have the ability to wield their da
The Secret Clocks Time Senses of Living Things
Dover Children
Examines why some plants blossom only in daylight, how birds know when and where to migrate, and other intriguing aspects of human and animal biological clocks.
The Secret Lake A childrens mystery adventure (Secret Lake Mystery Adventures)
Karen Inglis
A lost dog, a hidden time tunnel and a secret lake take Stella and Tom to their home and the children living there 100 years in the past. A time-travel adventure for ages 8-11 enjoyed by over 500,000 children. The long-awaited sequel now out!
The Secret Life of... Book Set Three Delightfully Disgusting Human
Mariona Tolosa Sister
This engaging book set offers young readers a wonderfully gross exploration of the human body's inner workings, transforming bodily functions into fascinating science adventures. Through vibrant illu...
The Secret of Death Trap Mine (A Baxter Kids Adventure Book 1) by Craig A. Hart
Craig A
Strange events at a Gold Rush-era mine ... Two inquisitive kids ... What could go wrong? When professional skeptic and YouTuber Jason Baxter and his 12-year-old twins, Eric and Abbie, travel to Skagway, Alaska to investigate reports of paranormal activity at the legendary Death Trap Mine, they quick
The Secret of the Ballet Book
Navita Dello
The Secret of the Ballet Book (Children's Fantasy Book, Ballet Fiction, Children's Mystery Book, Children's Career Book) Would Sierra live to prove she is a famous-ballerina-to-be? Sierra's only hope of saving her ballerina dreams is an ordinary ballet book, or so it seems - until a dancer steps out
The Secret Zoo by Bryan Chick
Bryan Chick
Something strange is happening at the Clarksville City Zoo. Late at night, monkeys are scaling the walls and searching the neighborhood— but what are they looking for? Noah, his sister Megan, and their best friends, Richie and Ella, live next door to the zoo. Megan is the first to notice the puzzlin
The Slime Volcano (Space Scout) by H. Badger
H. Badger
Space Scout is another fantastic series from the creators of Zac Power! When Kip gets trapped on a slimy, gross planet, he thinks it’s the worst mission ever. Then he meets the gigantic hairy monsters that are stuck there as well ...
The Song of Seven (Pushkin Childrens Classics) by Tonke Dragt
Tonke Dragt
A magical adventure about everyday heroes and the power of music, from the author of The Letter to the King Deep in the woods, a young boy is kept prisoner by his uncle. He cannot meet other children, or have any friends. He holds the key to a secret. Meanwhile, in a quiet village, Frans the schoolt
The Top Secret List to Becoming a Superhero
Adisan Books
EVERYONE CAN BE A SUPERHERO. You don't need to be bitten by a radioactive bug or come from another planet to be a superhero. All you need to do is follow the simple steps off the top secret list... and the cape is optional.If you're looking to teach kids about being respectful to elders, being a goo
The Westing Game (Puffin Modern Classics)
Ellen Raskin
A Newbery Medal Winner "A supersharp mystery...confoundingly clever, and very funny." —Booklist, starred review A bizarre chain of events begins when sixteen unlikely people gather for the reading of Samuel W. Westing’s will. And though no one knows why the eccentric, game-loving millionaire has cho
Timmi Tobbson Junior Boxed Set Timmi Tobbson Junior
J. I. Wagner B. Vitale
This detective adventure series introduces young readers to the thrill of solving mysteries alongside clever protagonist Timmi Tobbson, who uses logic and observation to crack each case. The stories ...
Tuck Everlasting
Natalie Babbit
Tuck Everlasting (PB)
Unclouded Day (The Stones of Song Book 1) by William Woodall
William Woodall
A young boy's quest to find his missing father leads him into a world where ancient stones hold mysterious powers and faith becomes a tangible force in this deeply moving fantasy adventure. When Cody...
Under the Crooked Tree Book One of the History Keepers Series by Jared Tomlinson
Jared Tomlinson
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work
Unicorn Books For Kids Lily and the Enchanted Unicorn Garden
Fobia Finch
Lily the unicorn loves making new friends and going on adventures! So when Lily meets her new pal, Roger the penguin, she plans all sorts of fun for them. But Roger is afraid of trying new things. What if he tries and fails? In this sweet story about friendship, Lily teaches young readers that the w
Urban Myths and Legendary Creatures (Monsters & Myths) by Lisa Regan
Lisa Regan
Profiles several legendary creatures from myth and lore.
We Fell Apart A We Were Liars Novel
E. Lockhart
This gorgeous edition of We Fell Apart will feature stunning sprayed edges, unique printed endpapers, and an exclusive foil-stamped case! #1 New York Times bestselling author E. Lockhart returns to the world of her TikTok sensation We Were Liars with all her signature beachy gothic atmosphere, famil

We Were Liars Deluxe Edition by E. Lockhart
E. Lockhart
We Were Liars by E. Lockhart | Digest & Review With this digest companion, you'll enjoy: * A digest of the We Were Liars * Content for your book club or other group event. * Stories beyond the digest and tidbits you may not know * The book's impact and its important to read * And more! What other re
We`re following the trail … Detective stories
Helen Sigapova
The book has been republished in a new edition, with all grammatical errors and typos corrected. Dive into a World of Mystery and Adventure with Lisa and Pinkie Pig! Welcome to the exciting debut of the "We're on the Trail.." series! This captivating children's book features two thrilling detective
What do cats do when children go to school? by Luiza Bacian
Luiza Bacian
While her favourite little human heads off to school for the very first time, the cat feels a little lost...and very lonely. What will she do all day without him? But as the sun rises and the house grows quiet, she begins to explore, wonder, and discover that maybe-just maybe-this is the beginning o
What would you do? Friendship Moral dilemmas for kids by Jana Mohr Lone
Jana Mohr Lone
· When choosing teams, should you pick your friends first? · Is it okay to cancel plans with a friend if something better comes along? · What if you have a friend your other friends don't like? This fun children's book gives six real-life moral dilemmas that children might face and asks the readers

Word Bamboozle Volume 2 (Brain Puzzle Games) by Brain Puzzle Games
Brain Puzzle Games
Includes word puzzles such as anagrams, crosswords, and dictionary tests and mathematical brain-teasers such as magic squares, number tricks, and reasoning maps.
Your Pets Secret Lives The Truth Behind Your Pets Wildest Behaviors
Eleanor Spicer Rice
Butt-sniffing dogs. Terrified tarantulas. Canaries with invisible force fields? Yep-it turns out our pets experience the world in totally different ways than we do. Unlock some of your nonhuman family members' wildest behaviors in this hilarious (and sometimes shiver-worthy) illustrated guide to the