Davey & Derek Junior Detectives Series Book 2: The Case of the Mysterious Black Cat

Davey and Derek Donato are twins, but not identical. They gleaned the idea to be detectives from a book their parents bought them on their tenth birthday. The twins discover a black cat and some magic when they visit with their Great Aunt Gigi. The cat tries to communicate with the boys. But what does the cat want to tell them?