Mysteries dare us to discover the truth by following in the footsteps of villains or deciphering a difficult puzzle. In these books, it's a quick wit and a sharp mind that tracks down the next clue. (Updated November 2019)
Jennifer Chan Is Not Alone
When new-girl and bullying target Jennifer goes missing, Mallory must figure out what happened to her one-time friend, while also confronting her own role in tormenting Jennifer.
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View Jennifer Chan Is Not AloneBat and Sloth Solve A Mystery
When a loud noise wakes Bat and Sloth, the two must solve the mystery of the strange, two legged creature that is lost in their woods.
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View Bat and Sloth Solve A MysteryThe Swifts
The Swift family reunion is meant to end with a glorious treasure hunt, but when Swifts start dying suspiciously, it is up to the eccentric Swift children to solve the mystery and save their family.
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View The SwiftsChester Keene Cracks the Code
Chester is determined to be a spy, just like his absent father. He teams up with a class-mate to complete a mysterious scavenger-hunt that he is sure will bring him closer to his father.
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View Chester Keene Cracks the CodeFrom the Desk of Zoe Washington
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View From the Desk of Zoe WashingtonReal Pigeons Fight Crime!
Rock is a master of disguise. He gets recruited to join a super-team of crime solving pigeons and faces his first three mysteries, including an explosive finale at a food truck festival.
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View Real Pigeons Fight Crime!