I am also interested in this topic. Any opinion on these books (as ways to prepare for MPP) will be highly appreciated
1) [Mendelson] Schaum's Outline of Beginning Calculus
http://www.amazon.com/Schaums-Outline-Beginning-Calculus/dp/0071487549
2) Healey, Joseph F. 2005. Statistics: A Tool for Social Research. 7th ed.
http://www.amazon.com/Statistics-Research-Joseph-F-Healey/dp/0534627943
3) Principles of Economics, Gregory Mankiw, South-Western College Publications
http://www.amazon.com/Principles-Economics-N-Gregory-Mankiw/dp/0324589972