2 books · Ages 7–11 · Chapter Books
How'd They Do That? is a 2-book series for ages 7–11 by Arnold Ringstad. Each book stands alone — start anywhere.
Where to Start
Start anywhere — each book stands alone.
That said, How Do Engineers Reuse Rockets? and How Did Robots Land on Mars? are great first picks.
All Books
No particular order needed — browse and pick what catches your eye.
