The latest edition of The WSJ Guide to Understanding Money ∧ Investing, another successful Morris update, delves into the world of finance with clarity and wisdom. This short guide is encyclopedic covering everything from the introduction of the euro to the role of technology in changing markets and should be required reading for all individual investors. The bold graphics and simple explanations turn the overwhelming into the accessible. Offering fascinating history lessons, such as the background of the words salary and greenback, the guide explains in layman's terms the world of Wall Street. Easy to digest, this third edition is a welcome addition to the libraries of new investors and old pros. Tiffany Speaks is a former business writer for Newsweek Japan who does her budgeting and writing from Norman, Oklahoma.