
A boy, his dog, and a time machine. What could go wrong?
Eleven-year-old Marco must travel back in time to rescue Dad and his dog, Rumble. What he didn’t expect to find was a hungry pterosaur, a pet diplodocus, nefarious Nephilim, and a new friend from the Bible. With prayer and quick thinking, Marco dodges disaster at every turn.
But the biggest question remains: Will he ever find his way home?

Download the free study guide ➡️
- Grades 3-6
- Length of time needed: Not more than three weeks
- Classic Comparison: Narnia meets Magic Tree House
In this activity guide for ages 8-12, students dig deeper into Artificial Intelligence, robotics, bushcraft, and dinosaurs. Among other activities, they’ll learn how to design their own robot. Plus :
- Learn knot-tying skills
- Build a shelter outdoors
- Create origami dinosaurs
- Fashion a paper maché T-rex
- And more!