Explanation
The book "Law's Empire" has been written by Ronald Dworkin.
Ronald Dworkin was an American philosopher and legal scholar. He was known for his contributions to the field of legal philosophy, particularly his theory of law as integrity. "Law's Empire" is one of his most famous books, published in 1986. The book is a comprehensive study of legal philosophy, exploring the relationship between law and morality, the nature of legal interpretation, and the role of the judge in the legal system.
Dworkin was a prominent figure in the field of legal philosophy, and his work has been influential in shaping contemporary legal theory. He was also a professor of philosophy and law at several prestigious universities, including Oxford, Yale, and New York University.
Thus, the correct answer to the question is B: Ronald Dworkin.
