You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Know for having the first Harvard course available online, what book about political philosophy did this professor write?" whose answer is Liberalism and the Limits of Justice.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Michael Sandel book political philosophy
Useful Output:

Doc 1: The philosopher believes the liberal left's pursuit of meritocracy has betrayed the working classes. His new book argues for a politics centred on dignity.
Doc 2: My books, including Justice: What's the Right Thing to Do?, and What Money Can't Buy: The Moral Limits of Markets, relate enduring philosophical
Doc 3: An encounter with Michael Sandel, world-renowned Professor of Political Philosophy at Harvard University, to discuss his book The Tyranny of Merit.
Doc 4: Political philosopher and Harvard professor Michael Sandel talks about his latest book, "The Tyranny of Merit  philosophy, cinema and
Doc 5: Michael Sandel teaches political philosophy at Harvard University. Get these available titles at our stores