After ninety-nine years on display at the Natural History Museum, a dinosaur skeleton decides to attend the ballet at the nearby opera house--with surprising results. Annotation. After ninety-nine years of being on display at the Natural History Museum, T. Rex-a dinosaur skeleton-is bored. She yearns for the days when she used to leap in meadows and tiptoe through streams. When she overhears two museum visitors discussing a performance of Swan Lake...