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Hone critical thinking skills while learning about animals, friendship, and the importance of generosity.

Three mysteries for kids 7-11 that the whole family will enjoy.

 Get all three mysteries in one giant book!

Be sure to add the Activities Book for more fun.

Join Kassy's fun-filled middle-grade adventures cracking riddles, detecting clues, and solving a whole zoo of animal trouble in the Pet Detective Trilogy!

In Cub Reporter, Kassy is hot on the trail of a missing cougar cub. Apollo the cub disappeared from her family’s petting zoo . . . and Kassy has to find him before the dogcatcher shuts down their zoo forever.

In Treasure Hunter, Kassy takes on a dangerous dognapping ring. When Kassy discovers a hidden key and a treasure map hidden inside a wall, she must venture into the local cemetery to crack the case.

In Geocacher, Kassy is on a family road trip to bring Kiki the koala to the National Zoo. When a campground geocaching contest goes wrong, Kassy risks losing Kiki for good.

Winner of a Reader’s Choice Award for Best Children’s Mystery
Winner of the New York Book Award for Best Children's Literature
Finalist for a Silver Falchion Award for Best Children's Mystery
Winner of the Gertrude Warner Grand Prize for Best Middle Grade Novel

“These books will hone reasoning skills while also being lots of fun.” —Claire Katz, director of the Philosophy for Children Program 
“Strong sense of middle-school humor.”—BlueInk Review 


“A purely enjoyable adventure with a lot of heart.”—The US Review of Books

“Kassy O’Roarke is even more exciting than the Mysterious Benedict Society! The mysteries have many fun animals and twists.” —Mila N., Fan Review

These mysteries are designed to hone critical thinking while being wildly entertaining.



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