Recommend two law books

A brief history of law

The book reveals the long and arduous course of human legal civilization in various periods in the West, as well as the search process from the pursuit of goals to the highest peak of human achievements.

Very readable

Books are also more readable.

American law and legal system

The other book is in English. If you learn English well, you can have a look, which is very helpful for studying legal English in the future.