PETS ARE DISAPPEARING FROM LEMON TREE HEIGHTS. With her family's petting zoo at stake, Kassy has to stop the dognapping ring, and fast. Hot on the trail of a missing cockapoo, Kassy discovers a mysterious key and a treasure map hidden inside a wall. Just when she's close to cracking the case, her brother Crispy and his faithful ferret Freddie go missing. To find her brother and the missing pets, Kassy gathers all her courage and ventures into the local cemetery. But can she unlock the clues and save the petting zoo in time? Join Kassy's fun-filled middle-grade adventure cracking riddles, detecting clues, and solving a whole zoo of animal trouble in the second book in the Pet Detective Mysteries.