PaleoJoe, his eleven-year-old assistant Shelly, her classmate Dakota, and new friend Sarra fly to California to investigate a mystery involving Sarra's brother, saber-tooth fossils, and the La Brea Ta
Eleven-year-old junior paleontologist Shelly helps PaleoJoe investigate the disappearance from Chicago's Field Museum of Dinosaur Sue, the most complete skeleton of a tyrannosaurus rex ever discovered