Fast and Fun

Adler, David.Cam Jansen and the Chocolate Fudge Mystery. (Cam Jansen Adventure #14) [AR 3.7, Pts. 1.0]
When Cam Jansen and her friend Eric uncover a mystery while selling fudge door to door to raise money for the local library, Cam uses her photographic memory to foil the crime.

Angleberger, Tom. Inspector Flytrap. (Inspector Flytrap #1) [AR 3.3, Pts. 1.0]
Hoping to become the greatest detective that ever grew, Inspector Flytrap, a Venus flytrap, and his assistant, Nina the Goat, investigate BIG DEAL mysteries at an art museum, a cookie shop, and a garden.

Butler. Dori Hillestad. The Haunted Library. (Haunted Library #1) [AR 3.6, Pts. 2.0]
Ghost boy Kaz and real girl Claire, who has a special ability to see ghosts when other humans cannot, join forces to solve the mystery of the ghost that is haunting the library.

Cronin, Doreen. The Chicken Squad: The First Misadventure. (Chicken Squad #1) [AR 3.3, Pts. 0.5]
Four mystery-solving chickens—Dirt, Sweetie, Poppy, and Sugar—must figure out what a panicked squirrel is so afraid of.

Low, A. J. Sherlock Sam and the Missing Heirloom in Katong. (Sherlock Sam #1) [AR n/a]
Sherlock Sam, Singapore’s greatest kid detective, investigates the disappearance of Auntie Kim Lian’s precious Peranakan cookbook.

O’Donnell, Liam. The Case of the Snack Snatcher. (West Meadows Detectives #1) [AR 3.7, Pts. 2.0]
Myron's unique perspective from the autism spectrum makes him a top-notch sleuth. Together with his detective partner, the hyper-energetic Hajrah, and tech-savvy Glitch, they get to the bottom of the school kitchen burglary.

Roy, Ron. January Joker. (Calendar Mysteries #1) [AR 2.9, Pts. 1.0]
When seven-year-old Bradley wakes up in the night to strange lights in his backyard, he wonders if there are aliens in town. When he sees three-toed tracks in the snow, he's sure of it.

Fiction

Avi. Murder at Midnight. [AR 4.3, Pts. 5.0]
Falsely accused of plotting to overthrow King Claudio, scholarly Mangus the magician, along with his street-smart servant boy, Fabrizio, face deadly consequences unless they can track down the real traitor by the stroke of midnight.

Balliet, Blue. Chasing Vermeer. [AR 5.4, Pts. 6.0]
When strange and seemingly unrelated events start to happen and a precious Vermeer painting disappears, 11-year-olds Petra and Calder combine their talents to solve an international art scandal.

Bertman, Jennifer Chambliss. Book Scavenger. (Book Scavenger #1) [AR 5.5, Pts. 11.0]
When 12-year-old Emily teams up with James to follow clues in an odd book, they hope to figure out its secrets before the men who attacked Emily's hero, publisher Garrison Griswold, come after them.

Bonk, John J. The Madhattan Mystery. [AR 5.0, Pts. 9.0]
On her first day in New York City with her brother, Kevin, twelve-year-old Lexi overhears thieves discussing where to hide stolen jewels, and the siblings, with their aunt's neighbor Kim Ling, skip day camp to investigate "the crime of the century."

Bosch, Pseudonymous. The Name of this Book is Secret. (The Secret Series #1) [AR 5.6, Pts. 9.0]
When Cass and Max-Ernest find a mysterious case containing vials of liquid labeled “The Symphony of Smells” with an encoded message asking for help, the two friendless 11-year-olds decide to investigate.

Broach, Elise. Missing on Superstition Mountain. (Superstition Mountain Mysteries #1) [AR 4.2, Pts. 6]
When brothers Simon, Henry, and Jack move with their parents to Arizona, they are irresistibly drawn to explore the aptly named Superstition Mountain, in spite of warnings that it is not safe.

Curtis, Christopher Paul. Mr. Chickee’s Messy Mission. [AR 5.6, Pts. 9.0]
Flint Future Detective Club members Steven Carter and his friends Russell and Richelle follow Russell's dog, Rodney Rodent, into a mural to chase a demonic-looking gnome, only to find the mysterious Mr. Chickee on the other side.

Grabenstein, Christ. Escape from Mr. Lemoncello’s Library. [AR 4.5, Pts. 7.0]
Twelve-year-old Kyle gets to stay overnight in the new town library, designed by his hero, the famous gamemaker Luigi Lemoncello, with other students but finds he must work with friends to solve puzzles in order to escape.

Hale, Bruce. The Chameleon Wore Chartreuse. (A Chet Gecko Mystery #1) [AR 3.5, Pts. 2.0]
To save his own skin, private eye Chet Gecko sets out to solve the mystery of Emerson Hicky Elementary School's disappearing football players.

Horowitz, Anthony. The Falcon’s Malteser. (Diamond Brothers Mystery #1) [AR 4.3, Pts. 6.0]
Tim Diamond, a poor minded detective, is entrusted with a package worth $5,000,000, just before the owner of the package is killed, leaving Tim, literally, holding the gun. With Tim in jail, his younger brother Nick is forced to solve the case.

Milford, Kate. Greenglass House. [AR 5.4, Pts. 15.0]
At a smuggler's inn, 12-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing, but soon guests arrive with strange stories about the house, sending Milo and his new friend on an adventure.

Raskin, Ellen. The Westing Game. [AR 5.3, Pts. 8.0]
Sixteen game players, heirs to Sam Westing's fabulous fortune, are all suspected of his murder. This book is part mystery story, part play-along game, and part do-it-yourself puzzle.

Turnage, Sheila. Three Times Lucky. [AR 3.9, Pts. 9.0]
Washed ashore as a baby in tiny Tupelo Landing, North Carolina, Mo LoBeau, now age eleven, and her best friend Dale turn detective when the amnesiac Colonel, owner of a café and co-parent of Mo with his cook, Miss Lana, seems implicated in a murder.

Junior High

Balliett, Blue. Hold Fast. [AR 5.2, Pts. 9.0]
On a winter day, Early's father disappeared, and her family is forced to flee their apartment and join the ranks of the homeless. It is up to Early to hold her family together and solve the mystery surrounding her dad.

Cavendish, Grace. Assassin. (Lady Grace Mysteries #1) [AR 5.8, Pts. 6.0]
Thirteen-year-old Lady Grace Cavendish, favorite Maid of Honour of Elizabeth I, must solve a murder mystery and clear the name of her betrothed.

Hiassen, Carl. Scat. [AR 5.5, Pts. 12.0]
Nick and his friend Marta decide to investigate when a mysterious fire starts near a Florida wildlife preserve, and an unpopular teacher goes missing.

Hoobler, Dorothy. The Ghost in the Tokaido Inn. (Samurai Mysteries #1)
[AR 5.1, Pts. 7.0]
While attempting to solve the mystery of a stolen jewel, Seikei, a merchant's son who longs to be a samurai, joins a group of kabuki actors in eighteenth-century Japan.

Horowitz, Anthony. Stormbreaker. (Alex Rider #1) [AR 5.1, Pts. 7.0]
After the death of the uncle who had been his guardian, Alex is coerced to continue his uncle's dangerous work for Britain's intelligence agency.

Lane, Andrew. Death Cloud. (Sherlock Holmes, the Legend Begins #1) [AR 6.3, Pts. 11.0]
In 1868, with his army officer father posted to India and his mother mysteriously "unwell," fourteen-year-old Sherlock is sent to stay with his uncle and aunt in Hampshire, where he uncovers his first murder.

Rosoff, Meg. Picture Me Gone. [AR 4.8, Pts. 7.0]
Twelve-year-old Mila travels with her father to upstate New York to visit friends and family, who may lead them to clues to the whereabouts of her father's best friend who has gone missing.