I highly recommend this book as a useful summary of the US Health Care System. I have made it required reading (as a reference) for my classes at BU.

The Health Care Handbook: A Clear and Concise Guide to the United States Health Care System, 2nd Edition Paperback – November 15, 2014

by Elisabeth Askin (Author), Nathan Moore (Author)

Paper:  $15.99

http://www.amazon.com/gp/product/0692244735

Electronic: $8.99

http://www.amazon.com/Health-Care-Handbook-Concise-United-ebook/dp/B00PWQ93M8/