Grades 7-9
Cover of "I'd Tell You I love You, But Then I'd Have to Kill You"
I'd Tell You I Love You, but Then I'd Have to Kill You
by Ally Carter

Cammie Morgan, who attends the spy school The Gallagher Academy for Exceptional Young Women, can speak fourteen different languages, hack CIA computer codes, and kill a man seven different ways, but she is ill-prepared when she falls in love with an ordinary boy who thinks she's an ordinary girl.
TEEN ADVENTURE CARTER ALLY
Cover of "The Detective's Assistant"
The Detective's Assistant
by Kate Hannigan
 
In 1859, Nell helps her detective aunt crack the biggest case of her life as Lincoln heads for the White House, all while searching for answers after her best friend’s disappearance.
TEEN HISTORICAL HANNIGAN KATE
Enola Holmes: The Case of the Missing Marquess
by Nancy Springer

When Enola Holmes, younger sister of famed detective Sherlock Holmes, discovers her mother has disappeared, she quickly embarks on a journey to London in search of her; but nothing can prepare her for what comes next. Enola finds herself wrapped up in the kidnapping of a young marquess, fleeing murderous villains, and evading her shrewd older brothers--all while decoding strange clues in search of her mother.
TEEN MYSTERY SPRINGER NANCY
Cover of "Kiki Strike: Inside the Shadow City"
Kiki Strike : Inside the Shadow City
by Kirsten Miller
 
Ananka discovers an entrance to a secret world beneath Manhattan’s city streets, and is recruited by a mysterious classmate to help her explore the hidden passageways of the Shadow City.
TEEN MYSTERY MILLER 
Cover of "The Key to the Extraordinary"
The Key to Extraordinary
by Natalie Lloyd
 
The women in Emma’s family learn of their extraordinary destinies through a dream—but when Emma’s only shows her a key, it’s up to her to solve a mystery that’s haunted her town for generations.
TEEN FANTASY LLOYD NATALIE
Cover of "Loot: How to Steal a Fortune"
Loot : How to Steal a Fortune
by Jude Watson
 
When a notorious jewel thief is killed on a job, his last words to his son, March, are to “find jewels,” leading him to Jules, the twin sister he never knew he had—and the perfect partner to carry on the family business.
TEEN ADVENTURE WATSON JUDE
Cover of 'The Murderer's Ape"
The Murderer's Ape
by Jakob Wegelius
 
When sailor Henry is falsely accused of murder, his best friend, Sally, must clear his name—a gorilla who moves among humans without speaking, but understanding everything.
TEEN ADVENTURE WEGELIUS JAKOB
Cover of "Masterminds"
Masterminds
by Gordon Korman

A group of kids discovers they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment.
TEEN ADVENTURE KORMAN GORDON
Cover of "Three Times Lucky"
Three Times Lucky
by Sheila Turnage
 
Washed ashore as a baby in North Carolina, Mo and her best friend turn detective when the amnesiac Colonal, Mo’s adoptive father, seems implicated in a murder.
TEEN MYSTERY TURNAGE SHEILA
Cover of "Vanishing Acts"
Vanishing Acts
by Phillip Margolin
 
Madison Kincaid and new classmate Jake try to track down her missing best friend, while also helping her attorney father solve a missing-persons case.
TEEN MYSTERY MARGOLIN PHILLIP
Grades 10-12
Cover of "The Amateurs"
The Amateurs
by Sara Shepard

Four teens who met on an online cold-case solving forum attempt to solve another teen's murder.
TEEN MYSTERY SHEPARD SARA
Cover of "City of Saints and Thieves"
City of Saints and Thieves
by Natalie C. Anderson
 
Tina slips into the Congo, which she and her mother fled years before, seeking revenge for her mother's murder and uncovering startling secrets.
TEEN MYSTERY ANDERSON NATALIE
Cover of "Dreamland Burning"
Dreamland Burning
by Jennifer Latham
 
Rowan finds a skeleton on her family's property and investigates a murder committed during the 1921 Tulsa race riots. Chapters from William, who grapples with the race riots, provide clues to the mystery.
TEEN HISTORICAL LATHAM JENNIFER
A Good Girl's Guide to Murder
by Holly Jackson

Fairview is haunted by the tragic murder of Andie Bell, allegedly at the hands of her boyfriend, Sal Singh, who killed himself shortly after. While the case is seemingly closed, Pippa can't shake her suspicion, and her investigative senior project quickly turns to an obsession to reveal the truth.
TEEN MYSTERY JACKSON HOLLY
Cover of "Killing November"
Killing November
by Adriana Mather
 
November, a new student at a secret training academy for future assassins, spies and con artists, must separate her enemies from her allies after a classmate is murdered. 
TEEN MYSTERY MATHER ADRIANA
Cover of "Little Monsters"
Little Monsters
by Kara Thomas
 
When Kacey moves in with her estranged father and his new family, her new friend goes missing and Kacey finds herself at the center of the investigation.
TEEN MYSTERY THOMAS KARA
Cover of "The Naturals"
The Naturals
by Jennifer Barnes
 
Cassie, who has a natural ability to read people, joins an elite group of criminal profilers at the FBI in order to help solve cold cases.
TEEN MYSTERY BARNES JENNIFER
Nearly Gone
by Elle Cosimano

When a serial killer is targeting her classmates, Nearly is the only student capable of deciphering the cryptic ads left by the killer in the newspaper, and if she doesn't put all the clues together soon, she may be the next victim.
TEEN MYSTERY COSIMANO ELLE
Cover of "Sadie"
Sadie
by Courtney Summers
 
When her sister Mattie is found dead, Sadie goes missing from their small Colorado town, resolved to bring Mattie’s killer to justice—all while a true crime podcaster becomes obsessed with finding her before it is too late.
TEEN MYSTERY SUMMERS COURTNEY
Cover of "A Study in Charlotte: A Charlotte Holmes Novel"
A Study in Charlotte: A Charlotte Holmes Novel
by Brittany Cavallaro

Rival teens Charlotte and Jamie, descendants of Sherlock Holmes and John Watson, investigate the mystery of why they are being framed for murder at their American boarding school.
TEEN MYSTERY CAVALLARO BRITTANY
Cover of "This is Our Story"
This is Our Story
by Ashley Elston
 
One morning at River Point, five boys went hunting—and four came back. The boys won’t say who fired the shot that killed their friend, and the evidence shows it could have been any one of them.
TEEN MYSTERY ELSTON ASHLEY
Cover of "Truly Devious"
Truly Devious
by Maureen Johnson
 
True crime aficionado Stevie is determined to solve the historic cold case surrounding her new private school, only for the past to crawl out of its grave when death revisits Ellingham Academy.
TEEN MYSTERY JOHNSON MAUREEN
Two Can Keep a Secret
by Karen M. McManus

Picturesque Echo Ridge is haunted by the memory of missing girls, including true-crime-fanatic Ellery's aunt and the recent death of a homecoming queen. When Ellery and her twin brother move to the small town, someone declares open season on homecoming before school even begins--and as Ellery sheds light upon dark secrets to find the next missing girl, it becomes clear that everyone is hiding something.
TEEN MYSTERY MCMANUS KAREN
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