Freshly returned from his voyages Doctor Dolittle decides to expand his zoo to include a home for crossbred dogs and a club for rodents. The Doctor's Zoo is unlike any other zoo in the world. In his zoo there are no cages; the animals stay there voluntarily and are free to leave whenever they want. While expanding the zoo the doctor takes some time to solve a mystery with the aid of Kling, the Dog Detective. Another wonder adventure with the greats veterinarian the world has ever known! This eBook version contains nearly 100 of Lofting's original illustrations to make your reading pleasure complete.