The House on the Gulf by Margaret Peterson Haddix - Thanks to her brother's new job, Britt moves with her family to a nicer neighborhood. Britt becomes suspicious when her brother’s behavior changes unexpectedly, which leads her to uncover a terrible secret. Haddix is the author of numerous mysteries.
Windcatcher by Avi While learning to sail during a visit to his grandmother's beach house, eleven-year-old Tony becomes curious about the rumors of sunken treasure and a set of mysterious neighbors.
Mystery Series
A to Z Mysteries by Ron Roy - Three friends named Dink, Josh, and Ruth Rose use their smarts when they team up to solves crimes and mysteries.
Bernie Magruder by Phyllis Reynolds Naylor - Weird and wacky things are always happening in Middleberg and it is up to Bernie to get to the bottom of things.
The Boxcar Children series by Gertrude Standler Warner - Four orphans take shelter in an old boxcar during a storm, and, determined to make it their own, they turn it into a safe, cozy home.
Bunnicula series by James and Deborah Howe - The unlikely duo of Harold the Dog and Chester the Cat team up to save their unknowing human family from disaster by solving mysteries.
Cam Jansen mysteries by David Adler - With Cam's photographic memory and her best friend Eric there's not a mystery they can't solve.
Hannah West series by Linda Johns - Hannah West is not your ordinary twelve-year-old. She’s artistic, full of street smarts, and best of all, she’s a budding detective. She and her mom are technically homeless, but thanks to a series of house-sitting jobs, they always have a place to stay. When someone tries to steal a valuable piece of artwork from one of their new neighbors! Quick as a wink, Hannah is on the trail of a thief who is wreaking havoc on Seattle’s thriving art scene! Armed with her keen eye and ever-present sketchbook, no detail gets past Hannah unnoticed.
Nate the Great by Marjorie Weinman Sharmat - These easy-to-read chapter books surround the sleuthing skills of the persistent Nate the Great. He is surrounded by quirky characters and funny mysteries making these a great read.
Sammy Keyes by Wendelin Van Draanen - Thirteen-year-old Sammy's penchant for speaking her mind sometimes gets her in trouble when she involves herself in the investigations of crimes and capers. Read these if you like funny and smart mysteries.