Zero: The Biography of a Dangerous Idea

> For a long time the idea of 0 wasn't natural.

Yes! A long time ago I read a wonderful little book on just this bit of history:

https://www.amazon.com/Zero-Biography-Dangerous-Charles-Seif...

Highly recommend "Zero: The Biography of a Dangerous Idea" [1] if you're interested in learning more about the number zero.

[1] https://www.amazon.com/Zero-Biography-Dangerous-Charles-Seif...