"Secret Zoo" is a children's book written by Bryan Chick. It tells the story of a group of kids who discover a hidden zoo filled with magical animals. The children embark on an adventure to protect the zoo and its inhabitants from various threats. The narrative emphasizes themes of friendship, bravery, and the importance of caring for animals. As the kids work together, they learn valuable lessons about teamwork and responsibility. The book is part of a series that captures the imagination of young readers, encouraging them to explore the wonders of nature and wildlife.