For one thing, Earth in the Balance was written a long time ago, and we may suppose that its author has learned a lot since then.
The writer made Earth in the Balance many years ago, we can assume they've become wiser now.
Though Earth in the Balance was created such a long time ago, the book still holds true today.
Boats start running around 10am and stop after 10pm.
The man is wearing a mask.
There was no ball or restaurant involved in the use of these things.
It is not always a case study just because it only involves a few sites.
A man is making pottery on a pottery wheel.
A man is sitting in a barbers chair.