In the sixth and final book in the highly imaginative The Secret Zoo series, the Shadowist has taken control of the Secret Zoo and only Noah and his friends, both human and animal, can stop him. The action spills out onto Noah's street, and even into his own home! Lingering questions are finally answered. Who really is Mr. Darby? Will Noah join the Descenders? What will happen to the Secret Zoo?The Final Fight is the book that fans of The Secret Zoo have been waiting for!