Amato, Mary. Edgar Allan's Official Crime Investigation Notebook.
When someone takes a pet goldfish, then other items from Ms. Herschel's classroom, each time leaving a clue in the form of a poem, student Edgar Allan competes with a classmate to be first to solve the mystery.  J-M AMA

Barnett, Mac. The Case of the Case of Mistaken Identity.
When twelve-year-old Steve Brixton, a fan of Bailey Brothers detective novels, is mistaken for a real detective, he must elude librarians, police, and the mysterious Mr. E as he seeks a missing quilt containing coded information.  J-M BAR

Gibbs, Stuart. FunJungle.
Twelve-year-old Teddy investigates when a popular Texas zoo's star attraction--Henry the hippopotamus--is murdered. Series. J-M GIB

Grabenstein, Chris. Home Sweet Motel.                               
P.T. and his friend Gloria must solve a mystery at the world's wackiest motel: The Wonderland"-- Provided by publisher.  J-M GRA

Greenwald, Tommy. My Dog is Better than Your Dog.               
Spending reclusive days doing the same three things for fun until his father lets him get a puppy, Jimmy begins to suspect his puppy has superpowers, including a potential for solving crimes and helping Jimmy make human friends.  J GRE

Hale, Bruce. Murder, My Tweet.
Detective Chet Gecko and his associate, Natalie Attired, take a case tailing what they think is a cheating boyfriend but are instead led to a school mystery that involves blackmail and robots.  J-M HAL

Keller, Laurie. Bowling Alley Bandit.        
Arnie the talking doughnut is delighted to be Mr. Bing's new pet "doughnut-dog," so when Mr. Bing starts rolling gutter balls during a big bowling tournament, Arnie suspects foul play and sets out to solve the mystery.  J KEL

Korman, Gordon. Swindle.                           
After unscrupulous collector S. Wendell Palamino cons him out of a valuable baseball card, sixth-grader Griffin Bing puts together a band of misfits to break into Palomino's heavily guarded store and steal the card back. Series.    J KOR, J-PBK KOR

Kosoczka, Jarrett. The Frog Who Croaked.                       
Paired together after a veteran detective retires, Platypus Police Squad members Rick Zengo, a hotshot rookie, and Corey O'Malley, a hard-nosed old-timer, struggle with their differences while tackling their first case involving a missing schoolteacher and a duffle bag filled with illegal fish.  J-M KRO

Lyall, Casey. Howard Wallace, P.I.                                     
Twelve-year-old Howard Wallace lives by his list of rules of private investigation. He knows more than anyone how to work with what he's got: a bathrobe for a trench coat, a makeshift office behind the school equipment shed, and not much else-least of all, friends. So when a hot case of blackmail lands on his desk, he's ready to take it on himself . . . until the new kid, Ivy Mason, convinces him to take her on as a junior partner. As they banter through stakeouts and narrow down their list of suspects, Howard starts to wonder if having Ivy as a sidekick-and a friend-is such a bad thing after all.   J-M LYA

Mack, Jeff. Clueless McGee.
Through a series of letters to his father, a private investigator, fifth-grader PJ "Clueless" McGee tells of his efforts to discover who stole macaroni and cheese from the school cafeteria. Series.  J MAC

Snicket, Lemony. All the Wrong Questions.
Thirteen-year-old Lemony Snicket begins his apprenticeship with S. Theodora Markson of the secretive V.F.D. in the tiny dot of a town called Stain'd By The Sea, where he helps investigate the theft of a statue. Series.  J-M SNI

Swanson, Matthew. The Real McCoys.
After officially forming their detective agency, Moxie McCoy and her little brother Milton are on the case to find the mysterious Squiggler at Tiddlywhump Elementary. J-M SWA

Quick Reads:

Cronin, Doreen. The Chicken Squad: [The First Misadventure].
When the squirrel Tail comes barreling into the chicken coop ranting about a round, shiny, green, big, scary thing in the yard, Dirt, Sweetie, Poppy, and Sugar investigate this strange object.   J-M CRO

Paulsen, Gary. Mudshark.   
Principal Wagner confidently deals with a faculty washroom crisis, a psychic parrot, and a terrorizing gerbil, but when sixty-five erasers go missing, he enlists the help of the school's best problem solver and locator of lost items, twelve-year-old Lyle Williams, aka Mudshark.    J-M PAU

Venable, Colleen AF. Hamster and Cheese.
Sasspants, a guinea pig, reluctantly agrees to act as a private investigator when Hamisher the hamster begs for her help in discovering who is stealing sandwiches from the pet shop's befuddled owner.