2nd through 6th grade
The 39 Clues series by various authors – Series Thi
When the matriarch of the powerful Cahill family dies, she leaves her family with a challenge to compete against each other and travel the world assembling 39 clues that will reveal the source of the family’s power.
A to Z Mysteries by Ron Roy – Series Roy
Third-grader Dink and his detective friends solve mysteries for every letter of the alphabet.
Bunnicula: A Rabbit Tale of Mystery by Deborah Howe – J How
Though scoffed at by Harold the dog, Chester the cat tries to warn his human family that their foundling baby bunny must be a vampire.
Cam Jansen series by David A. Adler – Series Cam
Girl detective Cam Jansen uses her photographic memory to solve mysteries everywhere she goes.
Chasing Vermeer by Blue Balliett – J Bal
When strange and seemingly unrelated events start to happen and a precious Vermeer painting disappears, eleven-year-olds Petra and Calder combine their talents to solve an international art scandal.
Half Moon Investigations by Eoin Colfer – J Col
Twelve-year-old private investigator Fletcher Moon, nicknamed "Half Moon" because of his shortness, must track down a conspiracy or be framed for a crime he did not commit.
The Hardy Boys series by Franklin W. Dixon – Series Har
Teenagers and amateur detective Frank and Joe Hardy assist their detective father in solving cases.
The London Eye Mystery by Siobhan Dowd – J Dow
When Ted and Kat's cousin Salim disappears from the London Eye ferris wheel, the two siblings must work together--Ted with his brain that is "wired differently" and impatient Kat--to try to solve the mystery of what happened to Salim.
Nancy Drew series by Carolyn Keene – Series Nan
Clever teenager Nancy Drew solves mysteries in her hometown of River Heights, often with the help of friends Bess and George.
The Puzzling World of Winston Breen by Eric Berlin – J Ber
Puzzle-crazy, twelve-year-old Winston and his ten-year-old sister Katie find themselves involved in a dangerous mystery involving a hidden ring. Puzzles for the reader to solve are included throughout the text.
Room One, a Mystery or Two by Andrew Clements – J Cle
Ted Hammond, the only sixth grader in his small Nebraska town's one-room schoolhouse, searches for clues to the disappearance of a homeless family.
Shakespeare’s Secret by Elise Broach – J Bro
Named after a character in a Shakespeare play, sixth-grader Hero becomes interested in exploring the unusual connection because of a valuable diamond supposedly hidden in her new house, an intriguing neighbor, and the unexpected attention of the most popular boy in school.
Walls Within Walls by Maureen Sherry – J She
When the Smithfork family moves to a lavish Manhattan apartment building, they discover clues to a decades-old mystery hidden behind the walls of their new home.
The Westing Game by Ellen Raskin – J Ras
The mysterious death of an eccentric millionaire brings together an unlikely assortment of heirs who must uncover the circumstances of his death before they can claim their inheritance.
When You Reach Me by Rebecca Stead – J Ste
As her mother prepares to be a contestant on “The $20,000 Pyramid" twelve-year-old Miranda tries to make sense of mysterious notes from an anonymous source who seems to defy the laws of time and space.
The Windcatcher by Avi – J Avi
While learning to sail at the Connecticut shore, eleven-year-old Tony becomes excited about rumors of sunken treasure and starts following a couple who seem to be making a mysterious search for something.
6th through 9th grade
The Boy in the Burning House by Tim Wynne-Jones –
Trying to solve the mystery of his father's disappearance from their rural Canadian community, Jim gets help from Ruth Rose, who suspects her stepfather, a local pastor.
Change-up: Mystery at the World Series by John Feinstein – T Fei
While covering the World Series, teenage sports reporters Stevie and Susan Carol investigate a rookie pitcher whose evasive answers during an interview reveal more than a few contradictions in his life story.
Death Cloud by Andrew Lane – T Lan
In 1868, with his father sent to India and his mother mysteriously unwell, young Sherlock Holmes is sent to stay with his eccentric uncle and aunt in their vast house in Hampshire, where he uncovers his first murder and a diabolical villain.
Down the Rabbit Hole by Peter Abrahams – T Abr
Like her idol Sherlock Holmes, eighth grader Ingrid Levin-Hill uses her intellect to solve a murder case in her home town of Echo Falls.
Gilda Joyce: The Dead Drop by Jennifer Allison – T All
Psychic investigator Gilda Joyce interns for the summer at the International Spy Museum in Washington, D.C., and solves a mystery involving national security.
The Girl is Murder by Kathryn Miller Haines - YA Hai
In 1942 New York City, fifteen-year-old Iris grieves for her mother who committed suicide and for the loss of her life of privilege, and secretly helps her father with his detective business since he, having lost a leg at Pearl Harbor, struggles to make ends meet.
The Liar Society by Lisa and Laura Roecker – T Roe
When Kate receives a mysterious e-mail from her dead friend Grace, she must prove that Grace's death was not an accident, but finds that her elite private school holds secrets so big people are willing to kill to protect them.
The Musician’s Daughter by Susanne Dunlap – T Dun
In 18th century Vienna, Theresa Maria’s father turns up dead and his valuable violin is missing. She is convinced that he was murdered, but the only clue is a strange gold pendant around his neck. As she investigates secrets about her father, she discovers a trail of blackmail and extortion, as well as the possibility of first love.
Sammy Keyes books by Wedelin Van Draanen – T Van
Seventh-grade sleuth Sammy Keyes investigates mysterious happenings around her.
Scat by Carl Hiaasen – T Hia
Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve and an unpopular teacher goes missing.
So Yesterday by Scott Westerfeld – T Wes
Hunter Braque, a teenager who is paid to spot what is "cool," combines his analytical skills with girlfriend Jen's creative talents to find a missing person and thwart a conspiracy directed at the heart of consumer culture.
Theodore Boone, Kid Lawyer by John Grisham – T Gri
With two attorneys for parents, thirteen-year-old Theodore Boone knows more about the law than most lawyers do. But when a high profile murder trial comes to his small town and Theo gets pulled into it, it's up to this amateur attorney to save the day.
The Traitor’s Gate by Avi – T Avi
When his father is arrested as a debtor in 1849 London, fourteen-year-old John Huffman must take on unexpected responsibilities, from asking a distant relative for help to determining why people are spying on him and his family.
Vanishing Act by John Feinstein – T Fei
Eighth-grade sports reporters Susan Carol and Stevie reunite at the U.S. Open tennis championships where they investigate the mysterious disappearance of a top Russian player.
With a Name Like Love by Tess Hilmo - T Hil
Thirteen-year-old Olivene Love gets tangled up in a murder mystery when her itinerant preaching family arrives in the small town of Binder, Arkansas in 1957.