How many How It Works books are there?

There are 6 books in the How It Works series by David Macaulay, for ages 4-10.

How It Works Books in Order

6 books · Ages 4–10 · Chapter Books, Early Readers

How It Works is a 6-book series for ages 4–10 by David Macaulay. Each book stands alone — start anywhere.

Start anywhere — each book stands alone.

That said, Jet Plane and How Does My Home Work? are great first picks.

No particular order needed — browse and pick what catches your eye.