From the publisher:
Meet Jack and Annie! Jack and his younger sister, Annie, are just regular kids. But when they discover a tree house in the woods, something magical happens. Jack and Annie are whisked back in time to the age of dinosaurs, a medieval castle, ancient pyramids, and treasure-seeking pirates.
Books in this set include the first four books in this series:
- Dinosaurs Before Dark
- The Knight at Dawn
- Mummies in the Morning
- Pirates Past Noon
