For Young Readers:

Detective LaRue: Letters from the Investigation by Mark Teague
While on vacation, Mrs. LaRue receives letters from her dog Ike who has been falsely accused of harming the neighbor's cats and is trying to clear his name.

The Diary of a Killer Cat by Anne Fine
Tuffy the pet cat tries to defend himself against accusations of terrifying other animals and murdering the neighbor's rabbit.

In the Garden: Who's Been Here by Lindsay B. George
As Jeremy and Christina pick vegetables for their mother, they see evidence of animals and insects that have been in the garden before them.

Max's Words by Kate Banks
When Max cuts out words from magazines and newspapers, collecting them the way his brothers collect stamps and coins, they all learn about words, sentences, and storytelling.

Minnie and Moo Wanted Dead or Alive by Denys Cazet
Trying to help Mr. Farmer with his finances, Minnie and Moo go to the bank to ask for money and are mistaken for the Bazooka sisters, dangerous outlaws.

Miss Smith Reads Again by Michael Garland
In her out-of-the-ordinary reading class, Miss Smith uses her incredible storybook to transport her students to Arthur Conan Doyle's "The Lost World," where they have an adventure with dinosaurs.

Mystery at the Club Sandwich by Doug Cushman
When Lola, famous singer at the Club Sandwich, loses her lucky marbles, elephant detective Nick Trunk, lover of peanut butter, takes the case.

Nate the Great, San Francisco Detective by Marjorie Sharmat
Nate the Great goes to San Francisco to solve a mystery with his cousin, Olivia Sharp, who is also a detective.

The Web Files by Margie Palatini
Ducktective Web and his partner try to quack the case of the pilfered peck of perfect purple almost-pickled peppers.

What Do You Do With a Tail Like This? By Steve Jenkins
Young readers can explore the many amazing things animals can do with their ears, eyes, mouths, noses, and feet, in a beautifully illustrated, interactive guessing book.
For Older Readers:

Bunnicula : A Rabbit-tale of Mystery by Deborah and James Howe
Chester the cat tries to warn his human family that their new pet bunny must be a vampire.

Cam Jansen and the Chocolate Fudge Mystery by David Adler
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 a crime.

Gilda Joyce Psychic Investigator by Jennifer Allison
Using her psychic abilities and detective skills, Gilda Joyce uncovers the secrets of the boarded up tower in her cousin's haunted mansion.

Demon in the Teahouse by Dorothy Hoobler
In eighteenth-century Japan, fourteen-year-old Seikei, a merchant's son in training to be a samurai, helps his patron investigate a series of murders and arson in the capital city of Edo, each of which is associated in some way with a popular geisha.

Disappearing Acts by Betsy Byars
Herculeah Jones stumbles onto the trail of her friend Meat's long-lost father while she and Meat are investigating the disappearance of a dead body from the men's room of a comedy club.

Half-Moon Investigations by Eoin Colfer.
Twleve-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.

Lion Boy by Zizou Corder
In the near future, a boy with the ability to speak the language of cats sets out from London to seek his kidnapped parents and finds himself on a Paris-bound circus ship learning to train lions.

Magician's Boy by Susan Cooper
A magician's assistant loses his master's Saint George puppet and is banished to the "Land of Story" to find it. Aided by a talking signpost, the boy interacts with fairy-tale characters including the Pied Piper, Pinocchio, and Red Riding Hood.

Room One: A Mystery or Two by Andrew Clements
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.

Sammy Keyes and the Dead Giveaway by Wendelin Van Draanen
While investigating why someone is trying to force people from their homes to expand a recreation center, Sammy is distracted by the lies she must tell to cover an accident she caused, but which was blamed on her nemesis, Heather.

Time Stops For No Mouse by Michael Hoeye
When Linka Perflinger, a jaunty mouse, brings a watch into his shop to be repaired and then disappears, Hermux Tantamoq is caught up in a dangerous search for eternal youth as he tries to find out what happened to her.

Wright 3 by Blue Balliett
In the midst of a series of unexplained accidents and mysterious coincidences, three classmates in an attempt to keep Frank Lloyd Wright's famous Robie House from being demolished.

Non-fiction:

Barnum Brown: Dinosaur Hunter by David Sheldon
Dig into the life of Barnum Brown the world famous dinosaur hunger-the guy who had the best nose in the business for sniffing out dinosaur bones!

Batman's Guide to Crime and Detection by Michael Teitelbaum
Learn about modern crime techniques from Batman.

The Bone Detectives: How Forensic Anthropologists Solve Crimes and Uncover Mysteries of the Dead by Donna Jackson
Explore the world of forensic anthropology and its applications in solving crimes.

Children of Alcatraz: Growing Up on the Rock by Claire Rudolf Murphy
This compelling photo-essay profiles generations of children who had the unique opportunity of growing up on this isolated island in San Francisco's shadow.

Dazzling Disguises and Clever Costumes by Angela Wilkes
Projects for creating a variety of disguises using false features, fake hair, and masks, as well as such costume items and accessories as hats, cloaks, swords, and fairy wands.

Escape!: the story of the great Houdini by Sid Fleischman.
A biography of the magician, ghost chaser, aviator, and king of escape artists whose amazing feats are remembered long after his death in 1926.

Master Spy Handbook: Help our Intrepid Hero use Gadgets, Codes & Top Secret Tactics to Save the World from Evil-doers by Rain Newcomb
Learn the fine art of tailing, writing secret messages in invisible ink, setting up a secret rendezvous, or changing the size and appearance of your face.