Question: Know for having the first Harvard course available online, what book about political philosophy did this professor write?  

Context paragraphs:
Jan Boxill: Jeanette Marie Boxill (née Bozanic) is an American academic who was Senior Lecturer in Philosophy (ethics) at the University of North Carolina at Chapel Hill.  She was also Chair of the Faculty and Director of Parr Center for Ethics.  Her writing and teaching relate broadly with ethical issues in social conduct, social and political philosophy, feminist theory, and ethics in sports.  She is editor of "Sports Ethics: An Anthology and Issues in Race and Gender".  She is past president of the International Association for Philosophy in Sport, serves on the board of the NCAA Scholarly Colloquium Committee, and chairs both the 2011 NCAA Scholarly Colloquium and the Education Outreach Program for the U.S. Anti-Doping Agency (USADA).  For 25 years, Boxill was the public address announcer for UNC women's basketball and field hockey; she now serves as the radio color analyst for UNC women's basketball.  She is a member of numerous professional associations (philosophy, sports, and the American Association of University Women) and has won a number of awards (from inside her institution and beyond) for teaching and professional contributions.  Jan Boxill is married to Bernard Boxill, who also teaches philosophy as the Pardue Distinguished Professor of Philosophy at UNC and focuses upon social and political philosophy and African American philosophy.  She resigned from UNC in 2015 in the wake of the UNC Chapel Hill academics-athletics scandal.

Thomas Pogge: Thomas Winfried Menko Pogge ( ; born 13 August 1953) is a German philosopher and is the Director of the Global Justice Program and Leitner Professor of Philosophy and International Affairs at Yale University.  In addition to his Yale appointment, he is the Research Director of the Centre for the Study of the Mind in Nature at the University of Oslo, a Professorial Research Fellow at the Centre for Applied Philosophy and Public Ethics at Charles Sturt University and Professor of Political Philosophy at the University of Central Lancashire's Centre for Professional Ethics.  Pogge is also an editor for social and political philosophy for the Stanford Encyclopedia of Philosophy and a member of the Norwegian Academy of Science and Letters.

Michael J. Sandel: Michael J. Sandel ( ; born March 5, 1953) is an American political philosopher and a political philosophy professor at Harvard University.  His course “Justice” is the first Harvard course to be made freely available online and on television.  It has been viewed by tens of millions of people around the world, including in China, where Sandel was named the “most influential foreign figure of the year.”  (China Newsweek).  He is also known for his critique of John Rawls' "A Theory of Justice" in his first book, "Liberalism and the Limits of Justice" (1982).  He was elected a Fellow of the American Academy of Arts and Sciences in 2002.

Matthew Kramer: Matthew Kramer FBA (born 9 June 1959) is an American philosopher, currently Professor of Legal and Political Philosophy at the University of Cambridge and a Fellow of Churchill College, Cambridge.  He writes mainly in the areas of metaethics, normative ethics, legal philosophy, and political philosophy.  He is a leading proponent of legal positivism.  He has been Director of the Cambridge Forum for Legal and Political Philosophy since 2000.  He has been teaching at Cambridge University and at Churchill College since 1994.

Italian Association for Political Philosophy: The Società Italiana di Filosofia Politica (English: Italian Association for Political Philosophy) is an association of academic and non-academic practitioners of political philosophy in Italy.  The association's aim is to further the study of political philosophy in its various orientations and to promote dialogue among Italian and other intellectual communities of scholars interested in the current debate in political philosophy.

David Estlund: David Estlund is the Lombardo Family Professor of Philosophy at Brown University.  He has been teaching moral and political philosophy at Brown since 1991.  He previously taught at University of California, Irvine, and has spent fellowship years at the Program in Ethics at Harvard University and at Australian National University.  His research interests center on liberalism, justice, and especially democracy.  He sits on the editorial board of the academic journal "Representation".  He is editor of the collection, Democracy (Blackwell, 2002) and the author of "" (Princeton, 2008).  He is at work on a book to be called Utopophobia, on questions of realism and idealization in political philosophy.

Thomas Hobbes: Thomas Hobbes ( ; 5 April 1588 – 4 December 1679), in some older texts Thomas Hobbes of Malmesbury, was an English philosopher who is considered one of the founders of modern political philosophy.  Hobbes is best known for his 1651 book "Leviathan", which established the social contract theory that has served as the foundation for most later Western political philosophy.  In addition to political philosophy, Hobbes also contributed to a diverse array of other fields, including history, jurisprudence, geometry, the physics of gases, theology, ethics, and general philosophy.

Parent Effectiveness Training: Parent Effectiveness Training (P.E.T.) is a parent education program based on the Gordon Model by Thomas Gordon.  Dr. Gordon taught the first P.E.T. course in 1962 and the courses proved to be so popular with parents that he began training instructors throughout the United States to teach it in their communities.  Over the next several years, the course spread to all 50 states.  In 1970, Dr. Gordon wrote the "Parent Effectiveness Training (P.E.T.)" book which gave many more parents access to this new parenting philosophy.  As a result, people in many parts of the world became interested in making the course available in their countries.  The book became a best-seller and was updated in 2000 revised book.

Liberalism and the Limits of Justice: Liberalism and the Limits of Justice (1982; second edition 1998) is a book about political philosophy by Michael Sandel.  The work helped start the liberalism-communitarianism debate that dominated Anglo-American political philosophy in the 1980s.

Simona Forti: Simona Forti is an Italian philosopher and academic, whose main interests are in political philosophy and contemporary ethics.  She was born in Modena in 1958.  She graduated in Philosophy from the University of Bologna in 1983.  In the following years she attended the Phd courses in political theory at the Turin University as well as the Phd courses in political philosophy at The New School in New York.  She received her PhD in History of Political Thought from Turin University in 1989.  In 2004 she was appointed Full Professor of History of Political Philosophy at the University of Eastern Piedmont, where she usually teaches.  She is one of the founding members of FINO”, a PhD Program in Philosophy coordinated by the Northwestern Italian University Consortium, and the standing president of Bios, an international and interdisciplinary research center on biopolitics and bioethics based at the University of Piemonte Orientale.

Supporting paragraphs: Liberalism and the Limits of Justice Michael J. Sandel
Answer: Liberalism and the Limits of Justice