People starting out in business tend to seek step-by-step formulas or rules, but in reality there are no magic bullets. Rather, says veteran company-builder Norm Brodsky, there's a mentality that helps street- smart entrepreneurs solve problems and pursue opportunities as they arise. Brodsky shares his hard-earned wisdom every month in Inc. magazine, in the hugely popular "Street Smarts" column he cowrites with Bo Burlingham. Now they've adapted their best advice into a comprehensive guide for anyone running a small business.