Mysteries for Tweens

Whether you prefer your mysteries cozy or creepy, puzzling or paranormal, the library has them all. This list features a wide array of middle grade mysteries.

Updated July 23, 2024
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The curse on Spectacle Key
Acevedo, Chantel
Paper Book
A sweetly spooky ghost story about a Cuban American boy who befriends a pair of spirits and tries to break the curse on his island home . . . only to discover a seemingly lost piece of his family's history in the process. This new middle grade standalone mystery from the author of the Muse Squad...
The in-between
Ansari, Rebecca K. S.
Paper Book
A dark, twisty adventure about the forgotten among us and what it means to be seen, from the acclaimed author of The Missing Piece of Charlie O'Reilly. Cooper is lost. Ever since his father left their family three years ago, he has become distant from his friends, constantly annoyed by his...
Wreck at Ada's reef
Beil, Michael D.
Paper Book
A vibrant contemporary mystery with a classic feel about grappling with grief, righting past wrongs, redefining family, and finding yourself. An Edgar Award Nominee! Twelve-year-old Lark Heron-Finch is steeling herself to spend the summer on Swallowtail Island off...
Premeditated Myrtle
Bunce, Elizabeth C.
Paper Book
A 2021 Edgar® Award Winner, Best Juvenile A BookPage Best Book of 2020: Middle Grade A Mighty Girl's 2020 Books of the Year Introducing Myrtle Hardcastle, your favorite new amateur detective: a wickedly smart...
Drew Leclair gets a clue
Bury, Katryn
Paper Book
In this modern take on Harriet the Spy, twelve-year-old Drew uses her true crime expertise to catch the cyberbully in her school--only to discover that family, friendship, and identity are the hardest mysteries to solve. Drew Leclair knows what it takes to be a great detective. She's pored...
Me, Frida, and the secret of the peacock ring
Cervantes, Angela
Paper Book
A new novel from Angela Cervantes that uses the story of Frida Kahlo to help readers discover the true power of heritage, art, and family.A room locked for fifty years.A valuable peacock ring.A mysterious brother-sister duo.Paloma Marquez is traveling to Mexico City, birthplace of her deceased...
The dollhouse
Cotter, Charis
Paper Book
A creepy, mysterious dollhouse takes center stage in this atmospheric middle-grade mystery for fans of Doll Bones and Small Spaces. Alice's world is falling apart. Her parents are getting a divorce, and they've cancelled their yearly cottage trip -- the one thing...
The ghosts of Rancho Espanto
Cuevas, Adrianna
Paper Book
A new middle grade fantasy full of humor and heart from Adrianna Cuevas--author of the Pura Belpré Honor Book The Total Eclipse of Nestor Lopez--perfect for fans of Claribel Ortega's The Ghost Squad and Louis Sachar's Holes. ' Rafa would rather live...
The mystery of locked rooms
Currie, Lindsay
Paper Book
*Instant New York Times and USA Today bestseller!* Crack the codes. Find the treasure. Escape the house. From the acclaimed author of Scritch Scratch and What Lives in the Woods comes a action-packed adventure novel about three friends who team up to find a hidden treasure in an...
Spy ring
Durst, Sarah Beth
Paper Book
Two modern-day kids discover the truth about an American Revolutionary War-era female spy through a treasure-hunt adventure in their hometown of Setauket, New York. With codewords and secret signals perfected, best friends Rachel and Joon are ready to spend their summer...
The Great Shelby Holmes
Eulberg, Elizabeth
Paper Book
Sherlock Holmes gets a fun, sweet twist with two irresistible young heroes and black & white illustrations throughout, in this middle grade debut from internationally bestselling YA author Elizabeth Eulberg. Shelby Holmes is not your average sixth grader. She's nine years old,...
The liars society
Gerber, Alyson
Paper Book
A USA Today bestseller! The Inheritance Games and One of Us is Lying for middle grade -- beloved author Alyson Gerber's new series is an unforgettable mystery featuring a secret society, a mysterious island, and dangerous family secrets. Weatherby...
The last last-day-of-summer
Giles, L. R.
Paper Book
"The Last Last-Day-of-Summer reminds me that all children deserve to exist in magical spaces where their imaginations and familial bonds will them into heroism. Every single child should have the freedom to be one of The Legendary Alstons. And I, for one, am grateful to Giles, and this brilliant...
Super puzzletastic mysteries : short stories for young sleuths from Mystery Writers of America
Grabenstein, Chris
Paper Book
Bestselling author Chris Grabenstein and the Mystery Writers of America bring together twenty peerless puzzles--from bestselling authors such as Peter Lerangis, Stuart Gibbs, Lauren Magaziner, Kate Milford, and, of course, Grabenstein himself--in an anthology of mystery short...
The body under the piano
Jocelyn, Marthe
Paper Book
Aggie Morton lives in a small town on the coast of England in 1902. Adventurous and imaginative but deeply shy, Aggie hasn't got much to do since the death of her beloved father... until the fateful day when she crosses paths with twelve-year-old Belgian immigrant Hector Perot and discovers a dead...
The Parker inheritance
Johnson, Varian
Paper Book
A Boston Globe / Horn Book Honor winner * Four Starred Reviews * Over Ten Best-of-Year Lists"Powerful.... Johnson writes about the long shadows of the past with such ambition that any reader with a taste for mystery will appreciate the puzzle Candice and Brandon must solve." -- The New York Times...
Omega Morales and the legend of La Lechuza
Kemp, Laekan Zea
Paper Book
Fans of The Girl Who Drank the Moon, Paola Santiago and the River of Tears, and Disney's Encanto will be captivated by this fantastical novel about a girl who must learn to trust her ancestral powers when she comes face-to-face with the Mexican legend La...
The haunted studio
LeBlanc, Hayley
Paper Book
The first book in an exciting new middle grade mystery series from actress, artist, and YouTube star Hayley LeBlanc! In Hayley Mysteries- The Haunted Studio, when Hayley is cast as the lead in a Nancy Drew like kids TV show, strange things start happening...
Chester Keene cracks the code
Magoon, Kekla
Paper Book
Cracking the code isn't all it's cracked up to be in this scavenger hunt adventure from a Coretta Scott King Honor-winning author. "Delivers a truly fresh mystery -- along with a heist, some heartbreak, some unforgettable characters and plenty of laser tag." --The New York Times...
Greenglass House
Milford, Kate.
Paper Book
New York Times Bestseller * National Book Award Nominee * Winner of the Edgar Award for Best Juvenile Mystery 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...
Tornado brain
Patrick, Cat
Paper Book
In this heartfelt and powerfully affecting coming of age story, a neurodivergent 7th grader is determined to find her missing best friend before it's too late. Things never seem to go as easily for thirteen-year-old Frankie as they do for her sister, Tess. Unlike Tess, Frankie is...
Egypt's fire
Phillips, Tom (Novelist)
Paper Book
Hilarious, non-stop adventure, a mysterious jewel heist, and a detective team like no other make this a must-have middle grade series starter. Perfect for fans of A Series of Unfortunate Eventsand Enola Holmes. After twelve-year-old John Boarhog's mom dies, the last...
The Carrefour curse
Salerni, Dianne K.
Paper Book
The Addams Familymeets The Westing Gamein this exhilarating mystery about a modern magical dynasty trapped in the ruins of their once-grand, now-crumbling ancestral home. ***Three Starred Reviews*** Twelve-year-old Garnet regrets that she doesn't know...
Princess Private Eye
Skye, Evelyn
Paper Book
The Princess Diariesmeets Nancy Drewin this middle grade novel about a New York foster kid who discovers she's actually a long-lost princess-and must solve the mystery behind a threat to the crown. Twelve-year-old Gen Sun has bounced around New York's foster care...
Murder is bad manners
Stevens, Robin
Paper Book
Two friends form a detective agency--and must solve their first murder case--in this "sharp-witted debut" (Publishers Weekly, starred review) that is the first adventure in a brand-new middle grade mystery series set at a 1930s boarding school. Daisy Wells and Hazel Wong...
The ghost of Spruce Point
Tandon, Nancy
Paper Book
A young boy must unravel a curse to save his family's beloved Maine motel in this spooky, "tightly paced" (Publishers Weekly) middle grade novel sure to delight fans of Whispering Pines and The Peculiar Incident on Shady Street! Twelve-year-old Parker...
Malamander
Taylor, Thomas
Paper Book
A quirky, creepy fantasy set in Eerie-on-Sea finds a colorful cast of characters in hot pursuit of a sea monster thought to convey a surprising gift. It's winter in the town of Eerie-on-Sea, where the mist is thick and the salt spray is rattling the windows of the Grand Nautilus...
Me and Sam-Sam handle the apocalypse
Vaught, Susan
Paper Book
"Edgar-winning Vaught, a neuropsychologist, has both personal and professional experience to draw on in crafting a narrator who is admirably smart and resilient despite an 'itchy' brain and a compulsion to count things." --Booklist (starred review) "Deeply smart and...
Long lost
West, Jacqueline
Paper Book
Winner of the Minnesota Book Award * A Texas Bluebonnet Book "Perfect to be read late into the night."--Stefan Bachmann, internationally bestselling author of The Peculiar "A spooky sisterhood mystery that is sure to be a hit with readers."--School Library Journal (starred...
Wretched waterpark
White, Kiersten
Paper Book
A middle-grade mystery series that's spooky, creepy, and filled with gothic twists!Meet the Sinister-Winterbottom twins, who solve mysteries at increasingly bizarre summer vacation destinations in the hopes of being reunited with their parents-or at the very least finally finding a good churro....
Tangled up in luck
Wyatt, Merrill
Paper Book
"A sweet, heart-squeezing story!" -- Jaleigh Johnson, New York Times bestselling author of The Mark of the Dragonfly When seventh grade enemies research a missing set of jewels for a class project, they realize that the answers to the unsolved case might be much...

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