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Mysteries for Upper ElmentaryUnpublished

Grades 3-5

Updated May 23, 2025

Northwest Library Cooperative Seaside Public Library

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Woof : a Bowser and Birdie novel

Quinn, Spencer

Paper Book

"I defy anyone to read this book -- kid or adult -- without a big, goofy grin." -- HARLAN COBEN, #1 New York Times bestselling authorThe New York Times Bestselling MysteryThere is trouble brewing in the Louisiana swamp -- Bowser can smell it. Bowser is a very handsome and...

R.L. 4.3

Capture the flag

Messner, Kate.

Paper Book

A stolen flag, a secret society, and three complete strangers . . .Anna, José, and Henry have never met, but they have more in common than they realize. Snowed in together at a chaotic Washington, DC, airport, they encounter a mysterious tattooed man, a flamboyant politician, and a rambunctious...

R.L. 4.5

A royal conundrum

Yee, Lisa

Paper Book

NEW YORK TIMES BESTSELLER .When a notorious thief is out for priceless treasure (gems! cats! general decorum!)-who're you gonna call? An elite team of crime-fighting underdogs, that's who! The Misfits are on the case in this hilarious illustrated series from Newbery Honoree Lisa Yee and...

R.L. 5.8

Hold fast

Balliett, Blue

Paper Book

From NYT bestselling author Blue Balliett, the story of a girl who falls into Chicago's shelter system, and from there must solve the mystery of her father's strange disappearance. Where is Early's father? He's not the kind of father who would disappear. But he's gone . . . and he...

R.L. 5.2

Insignificant events in the life of a cactus

Bowling, Dusti

Paper Book

"Aven is a perky, hilarious, and inspiring protagonist whose attitude and humor will linger even after the last page has turned." --School Library Journal (Starred review) Aven Green loves to tell people that she lost her arms in an alligator...

R.L. 4.6

Three times lucky

Turnage, Sheila

Paper Book

Meet Miss Moses LoBeau-rising sixth grader natural born detective, borderline straight-A student, and goddess of free enterprise. Mo washed ashore in Tupelo Landing, North Carolina, eleven years ago during one of the meanest hurricanes in history, and she's been making waves ever since. ...

R.L. 3.9

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....

R.L. 4.9

The Swifts : a dictionary of scoundrels

Lincoln, Beth

Paper Book

#1 New York Times bestseller! "Knives Out feel by way of Lemony Snicket...This archly told, never muddled debut whodunit reveals a roster of distinct characters, a labyrinthine setting and plot, and a mystery that is as clever as its heroine." - Publishers Weekly...

R.L. 6.0

Bunnicula : a rabbit-tale of mystery

Howe, Deborah

Paper Book

BEWARE THE HARE! Is he or isn't he a vampire? Before it's too late, Harold the dog and Chester the cat must find out the truth about the newest pet in the Monroe household -- a suspicious-looking bunny with unusual habits...and fangs!

R.L. 4.2

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...

R.L. 4.2

The lost library

Stead, Rebecca

Paper Book

Now a New York Times bestseller and a #1 Indie Bestseller, readers won't want to miss this story of a little free library guarded by a cat, and a boy who takes on the mystery it keeps. A TODAY SHOW Kids' Read Pick! * The Amazon #1 Best Book for Kids * "A...

R.L. 4.3

From the mixed-up files of Mrs. Basil E. Frankweiler

Konigsburg, E. L.

Paper Book

A Time Best YA Book of All Time (2021) Run away to the Metropolitan Museum of Art with E. L. Konigsburg's beloved classic and Newbery Medal-winning novel From the Mixed-Up Files of Mrs. Basil E. Frankweiler! When Claudia decided to run away, she...

R.L. 4.7

Room one : a mystery or two

Clements, Andrew

Paper Book

Ted Hammond loves a good mystery, and in the spring of his fifth-grade year, he's working on a big one. How can his school in the little town of Plattsford stay open next year if there are going to be only five students? Out here on the Great Plains in western Nebraska, everyone understands that if...

R.L. 5.1

The sisters Grimm, book one : the fairy-tale detectives

Buckley, Michael

Paper Book

Orphaned sisters Sabrina and Daphne are sent to live with their mysterious grandmother, Relda Grimm, who lives in a town in rural New York State that experiences an extraordinary number of unexplained and unusual crimes. In this book, the girls are pitted against a giant who has been rampaging...

R.L. 5.2

The real McCoys

Swanson, Matthew

Paper Book

The first book in an illustrated middle-grade series in which a precocious detective solves mysteries with her super-smart little brother. Her name's Moxie. Moxie McCoy. Bold, opinionated, and haplessly self-confident, the world's greatest fourth-grade detective...

R.L. 5.2

The Westing game

Raskin, Ellen.

Paper Book

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...

R.L. 5.3

York. Book one, The shadow cipher

Ruby, Laura

Paper Book

"The pleasures of the novel go far beyond the crackling, breathless plot and the satisfaction of watching the puzzle fall into place. The book is shot through with humor, both laugh-out-loud and subtle." --New York Times Book Review From National Book Award finalist and Printz Award winner...

R.L. 5.3

Absolutely Truly

Frederick, Heather Vogel

Paper Book

An unsent letter in a first edition copy of Charlotte's Web leads to a hunt for treasure in this heartwarming middle grade mystery from the author of The Mother-Daughter Book Club. Now that Truly Lovejoy's father has been injured by an IED in Afghanistan and is...

R.L. 5.4

Book scavenger

Bertman, Jennifer Chambliss

Paper Book

A New York Times-Bestseller! "Full of heart and replete with challenging ciphers for readers to decode, Bertman's debut is literary cousin to classic puzzlers like The Westing Game." ―Publishers Weekly, starred review "Fans of Escape...

R.L. 5.5

The name of this book is secret

Bosch, Pseudonymous

Paper Book

Read the series that's sold more than 2 million copies--if you dare! Warning: this description has not been authorized by Pseudonymous Bosch. As much as he'd love to sing the praises of his book (he is very vain), he wouldn't want you to hear about his...

R.L. 5.6

The detective's assistant

Hannigan, Kate

Paper Book

Based on the extraordinary true story of America's first-ever female detective, this fast-paced adventure recounts feats of daring and danger...including saving the life of Abraham Lincoln! Eleven-year-old Nell Warne arrives on her aunt's doorstep lugging a heavy sack of...

R.L. 6.2

The murderer's ape

Wegelius, Jakob

Paper Book

"This may be the most charming book I've read all year." --The New York Times "I don't know when I last read a book with such pure and unalloyed pleasure." -Philip Pullman, internationally bestselling author of the His Dark Materials series ...

R.L. 6.4

The case of the missing marquess

Springer, Nancy.

Paper Book

Now a Netflix original movie starring Millie Bobby Brown, Henry Cavill, and Helena Bonham Carter! Meet Enola Holmes, teenaged girl turned detective and the younger sister to Sherlock Holmes. When Enola Holmes, sister to the detective Sherlock Holmes, discovers her...

R.L. 6.6

A to Z mysteries: The absent author

Roy, Ron

Paper Book

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! Kids love collecting the entire alphabet and super editions! With over 8 million copies in print, the A to Z Mysteries have been hooking chapter book readers on mysteries and reading for years. Now this classic kid...

R.L. 3.4

Cam Jansen and the mystery of the stolen diamonds

Adler, David A.

Paper Book

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Can Cam help catch the diamond thief? Cam and her friend Eric are sitting at the mall when the jewelry store is robbed. Cam sees the thief, but the police arrest the wrong person. Now...

R.L. 3.2

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Mysteries for Upper ElmentaryUnpublishedShare

Mysteries for Upper ElmentaryUnpublished