These are brand new books in a BOX not opened. They are the yellow books 2009-2010. DO NOT buy the old books, because these are updated. What they (Kaplan) essentially did was change from just cases to adding all the background information from step 2 + step 3 cases. So what you basically have is (ex: Cardiology foundation chapter, followed by the Step 3 cardiology cases.)
5 books in total:
1. pediatrics
2. internal medicine/neurology
3.psych/obGYN surgery/ethics
4.the supplemental cases self study book
5. the QBOOK
Once again, even if you do not buy from me, do not buy the Green Books, they are insufficient for the Exam.