Collects "Dinosaurs" and "Dinosaurs Before Dark" in which eight-year-old Jack and his younger sister Annie find a magic tree house, which whisks them back to an ancient time zone where they see live dinosaurs.
Collects "Mummies and Pyramids" and "Mummies in the Morning," in which Jack and Annie take a trip in their tree house back to ancient Egypt, where they help a queen's mummy continue her voyage to the next life.
