I just finished reading this book and I highly recommend that everyone who loves the vault reads it. You will gain a great insight in the sacrifices that elite athletes make in order to achieve their dreams.
http://www.amazon.com/gp/product/0873389743/ref=cm_cr_mts_prod_img
http://www.amazon.com/gp/product/0873389743/ref=cm_cr_mts_prod_img