When twelve-year-old Alice, who receives messages from the dead, discovers a man with a deadly sunlight allergy was murdered, she and the victim's niece work together to uncover the truth.
- General Recommendations
- Staff-Created List
Mysteries for middle grade
Read these mysteries to decipher codes, solve puzzles, and unravel riddles! CV 4/29/24
StaffLibrary Staff
Toledo Library


20 items
- Magnolia Wu, a ten-year-old sock detective bent on returning all the lonely only socks left behind in her parents' NYC laundromat.
- Olivetti gets a rare glimpse of action from Ernest's mom, Beatrice--his used-to-be most frequent visitor--only for her to drop him off at Heartland Pawn Shop and leave him helplessly behind. When Olivetti learns Beatrice has mysteriously gone…
- When young Arthur Conan Doyle is o-ffered a spot at Baskerville Hall, a secret school for extraordinarily gifted children, he is elated at being chosen--and being given a chance to turn his family's fortunes around. There, Arthur makes quick friends…
- When a mysterious Little Free Library guarded by a large orange cat appears overnight, eleven-year-old Evan plucks two weathered books from its shelves, never suspecting that his life is about to change.
- When a mysterious book by the beloved writer Jules Verne falls into the hands of three unlikely friends, they begin a treasure hunt adventure through Paris.
- Meet Shenanigan Swift: Little sister. Risk-taker. Mischief-maker. Shenanigan is getting ready for the big Swift Family Reunion and plotting her next great scheme: hunting for Grand-Uncle Vile's long-lost treasure. She's excited to finally meet her…
- In her debut for younger readers, Aya de León pits a teen spy against the ominous workings of a white nationalist. Fourteen-year-old Andréa Hernández-Baldoquín hails from a family of spies working for the Factory, an international organization…
- Kyle is a new kid in town who likes to draw. Vic is a cool cheerleader who's secretly a math whiz. Quiet Beth is a history buff, while goofball Harry likes performing magic tricks, with the help of his patient wingman, Nate. Five kids unlikely to…
- Introducing Myrtle Hardcastle, your favorite new amateur detective: a wickedly smart 12-year-old with a keen interest in the new tools of criminology and a nose for murder in the Victorian English village where her father is the local prosecutor.
- When ten-year-olds Shirley and Jamila meet, Jamila is simply hoping for a friend in her new neighborhood but Shirley is a detective and together they seek a missing gecko.
- Things never seem to go as easily for thirteen-year-old Frankie as they do for her sister, Tess. Unlike Tess, Frankie is neurodivergent. In her case, that means she can't stand to be touched, loud noises bother her, she's easily distracted, she…
- This tech-filled adventure series pits intrepid Mars Patel and his outcast friends against a brilliant, enigmatic billionaire as they race to figure out why kids are disappearing from their school.
- Chess, Emma, and Finn Greystone--ages 12, 10, and eight--investigate why their mother went missing and uncover their ties to an alternate world.
- Seventh-graders Jin, Alexandra, and Elvin come from very different backgrounds and circumstances, but they all live in Harlem, and when Elvin's grandfather is attacked they band together to find out who is responsible--and the search leads them to…
- In an alternate history of New York, three kids try to solve a modern-world puzzle and complete a treasure hunt laid into the streets and buildings of the city.
- Emily's love of solving puzzles turns into a real-life mystery featuring a secret book, an intricate game, and bad guys out to get her.
- n 1899, a twelve-year-old rat catcher on North Carolina's Biltmore estate teams up with the estate owner's young nephew to battle a great evil and, in the process, unlocks the puzzle of her past.
- A rambling old smuggler's inn, a strange map, an attic packed with treasures, squabbling guests, theft, friendship, and an unusual haunting mark this smart mystery .
- 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 that come morning he must work with friends to solve puzzles in order to escape.
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