What is justice? How is it enforced? Does it mean everyone should be treated the same, even when it comes to things like taxes or access to welfare? These sorts of questions have exercised the minds of thinkers since Plato and Aristotle.

In this engaging and highly topical introduction, Professor Raymond Wacks breaks down the leading theories of justice and illustrates how present-day challenges, like terrorism and migration, affect our fundamental notions of fairness and democratic freedoms.