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The primary text for the introduction to philosophy course is this one: http://www.amazon.com/Good-Life-Hackett-Publishing-Co/dp/0872204383/ref=sr_1_1?s=books&amp;ie=UTF8&amp;qid=1458874442&amp;sr=1-1&amp;keywords=good+life+guignon
The primary text for the philosophy of law course is this one:
Both texts are supplemented with additional readings, lecture viewings, etc.
I would recommend reading Michael Sandel’s book Justice and at the same time getting the Justice reader (book of selected readings in political philosophy) put together by Sandel, and watching Sandel’s online lecture series entitled Justice.
Justice online lecture series:
So right off the bat a good place to start (summary text if you want something simple with break down of the old arguments but written in Modern English and offering analysis) I would suggest Michael Sandel's Justice: A Reader, what's the right thing to do you can also watch the videos/discussions Dr Sandel has at Harvard's Justice Symposium Course (it's actually a great lecture series to just put on while you're doing something... http://justiceharvard.org/justicecourse/)
If you want a concise list of good books, I would suggest the following: