'Max and Kelly have a weird aunt who works at the zoo. No one sees much of Aunt Zelda, as she prefers being with the animals. Just before Max's birthday an invitation card comes for the Zoo Room restaurant. What follows is the wildest birthday party ever with all the zoo animals taking part. The next morning the big news is that all the animals were set free and Aunt Zelda has also disappeared. Where are they and where is she? This is one birthday Max and his family will never forget. ' (Publication summary)
