Cam and her friend Danny help solve the mystery of a stolen necklace when the governor comes to visit their school for the dedication of the new library.
In this early chapter book spin-off from the Bunnicula series, Harold the dog gives willing advice to a young dachshund named Howie, who saves the world from a science experiment gone awry.
Meg investigates the theft of a rare book from a locked library. The reader is challenged to solve the mystery before Meg, using clues in both text and illustrations.
Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace. First in the A to Z Mysteries series.
While searching for his mysteriously lost human family, Buddy the dog is adopted by another family and helps solve the mystery of their missing boy. First in the series: The Buddy Files.
Jigsaw Jones investigates when his arch-nemesis, Bobby Solofsky, sets up his own ghost-busting business, thus stealing cases from Jigsaw and Mila's mystery-solving business. Part of the Jigsaw Jones series.
A super-sleuth fourth grader solves the case of a neighbor’s haunted toolshed. First in the Joe Sherlock series.
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. Look for more Bunnicula titles.
When seemingly unrelated and strange 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. Follow further adventures of these young detectives in The Wright 3 and The Calder Game.
Saxby Smart - the best detective in elementary school – invites you to peek inside his notebook and use your reasoning skills to help solve three mysteries. Look for other titles in the series: Saxby Smart, Private Detective.
Teenage James has 48 hours to rescue a kidnapped professor and to keep a powerful weapon from falling into the wrong hands. Look for others in the series.
A watermelon stabbing...a trapeze artist's inheritance...and an eyewitness who's legally blind! These are just some of the mysteries that Encyclopedia Brown solves by using his famous encyclopedic brain. Crack the cases along with him. The answer to all the mysteries are found in the back!
A young girl runs away with her brother to live in the Metropolitan Museum of Art. The two unravel a mystery behind a famous sculpture.
When Fletcher Moon, the youngest detective in the world, is framed for a crime he did not commit, he must team up with the unlikeliest of allies, run from the authorities, and solve the case within twelve hours to clear his name.
Dan and Amy Cahill are given the choice of receiving a million dollars or uncovering the 39 clues hidden around the world that will lead to the source of the family's power, but by taking on the clues, they end up in a dangerous race against their own family. First in the 39 Clues series.
A string of daring burglaries has taken place in BigCity, and precious lapdogs are disappearing. Who is behind this crime wave? Ottoline Brown and her best friend are on the case! Look for more Ottoline titles.
Thirteen-year-old Sammy's penchant for speaking her mind gets her in trouble when she involves herself in the investigation of a robbery at the "seedy" hotel across the street from the seniors' building where she is living with her grandmother.
Nick and his friend Marta decide to investigate when a mysterious fire starts near a Floridawildlife preserve and an unpopular teacher goes missing. You might also enjoy other mysteries by this author, such as Hoot and Flush.
Named after a character in a Shakespeare play, misfit sixth-grader Hero becomes interested in exploring this unusual connection.
Enola Holmes, much younger sister of detective Sherlock Holmes, must travel to Londonin disguise to unravel the disappearance of her missing mother. First in the Enola Holmes Mystery series.
A woman is found stabbed to death in London. A young boy is drawn to the scene to investigate the murder and becomes a suspect himself. The sequel is Death in the Air.
After his older brother, a fledgling private detective, agrees to safeguard a package for a dwarf who does not live long, thirteen-year-old Nick scampers to solve the mystery while also trying to stay one step ahead of an assortment of thugs. First in the Diamond Brothers Mystery series.
When Ted and Kat's cousin Salim disappears from the London Eye ferris wheel, the two siblings must work together to try to solve the mystery of what happened to Salim.
A dashing British feline spy is dismayed to find himself stranded in New Jersey and adopted by a typical suburban family, until he puts his skills to good use for his new human. First in the Stink Files series.
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. You might also enjoy the sequel, The Potato Chip Puzzles.
Meet Nancy Drew, the most famous girl detective, in the first book of this classic mystery series. In this mystery, Nancy uses her keen mind to find a missing will.
Meet the world famous Hardy Boys in this first installment of the classic mystery series. In this mystery the Hardy boys make an astonishing discovery after a dying criminal confesses that his loot has been stashed "in the tower."
A hard-bitten former search-and-rescue dog helps solve a complicated missing chicken case. See also: The Legend of Diamond Lil.
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.
Seventh-grader Maggie strives to track down the disappearance of cool celebrity Seth Ryan and discover who is behind a string of dog eggings at the local dog run, while also dealing with issues involving her twin brother, and several friends. See also: Girl’s Best Friend.