There are common-sense rules for even the most daring investment speculation, even in a precarious economic environment... as in the wake of the dramatic stock market crash of 1929.This guide to smart speculating offers sound advice on determining whether you're really cut out for speculation, what warning signs in your financial situation should steer you toward safer investing, the best way to use margin trading, how to find reliable information on stocks, why you should shun all tips, why you should be a "bad loser," and much more.Not just a historical guide to one of the most unstable periods in American economic history, this is a useful primer for today's investor, too.