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)
Lion Down
Teddy Fitzroy finds himself in the middle of mystery mayhem at FunJungle theme park. A lion is suspected of killing a famous dog, but he may be getting framed.
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View Lion DownWinterhouse
Elizabeth Somers is an orphan who loves puzzles and books. She is sent away to an old hotel for her winter break and she starts to discover secrets about the hotel and her past.
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View WinterhouseRa the Mighty
Ra lives a lavish life in ancient Egypt and happens to be the Pharaoh’s cat. A servant girl is falsely accused of stealing an amulet and Ra is encouraged by his dung beetle sidekick to find the thief and save her life.
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View Ra the MightyThe Case of the Missing Hippo
Fabio the flamingo and his best friend Gilbert the giraffe are on the case when Julia the Hippo suddenly disappears during her audition for a talent show.
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View The Case of the Missing HippoHannah West, Sleuth in Training
Hannah and her mom are between homes, so Hannah has a lot of opportunities to solve mysteries in different Seattle neighborhoods.
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View Hannah West, Sleuth in TrainingThe Parker Inheritance
Candice and her mother are spending the summer in South Carolina. Candice teams up with her neighbor Brandon and they try to solve a puzzle that Candice discovered in a letter from her deceased grandmother.
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View The Parker InheritanceCharlie & Frog
Charlie is in the library when a woman disappears after she tries to communicate with Charlie in sign language. He attempts to solve the mystery with his friend Frog, a deaf girl who yearns to be a detective.
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View Charlie & Frog7 Ate 9
Private I has been enlisted by number 6 to figure out if 7 really ate 9. And now number 6 thinks that 7 is after him.
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View 7 Ate 9Mystery in the Mansion
Carlos and Eliza have stepped in to help his mom at her detective agency. Guinevere LaCavalier has started receiving death threats and they must find the culprit.
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View Mystery in the MansionNadia Knox and the Eye of Zinnia
Nadia has traveled to Uganda with her anthropologist parents who are on a quest to find the Kamju, an ancient civilization that may or may not be extinct.
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