A penny saved may be a penny earned, but a penny invested can be even more.

In this financial crisis, old advice about equities, mutual funds, commodities, and real estate may no longer hold. here is a fresh look at all aspects of investing to help readers protect and grow their wealth. This edition includes the most current information on: corporate fundamentals; the sub-prime crisis and its effects; practical tools for evaluating mutual funds; advice about riding the equity market; and the use of Exchange traded Funds.

Ed Koch, former New York City mayor, writes for several magazines, and has a weekly program on Bloomberg Radio WBBR as well as a weekly television spot on New York News 1. He lives in New York City.