The Concept of LawFifty years on from its original publication, HLA Hart's The Concept of Law is widely recognized as the most important work of legal philosophy published in the twentieth century. It is a classic book in the field of legal scholarship and remains the starting point for most students coming to the subject for the first time. Known as Hart's most famous work, The Concept of Law emerged from a set of lectures that Hart began to deliver in 1952 in which