Andrew Dagys, CMA, is a best-selling author who has written and coauthored several books, including Stock Investing For Canadians For Dummies and Investing Online For Canadians For Dummies. Margaret Kerr is a lawyer and entrepreneur. She is a coauthor of several Dummies books for Canadians on money management, running a business, and estate planning. JoAnn Kurtz is a lawyer and entrepreneur. She is a coauthor of several Dummies books for Canadians on money management, running a business, and estate planning.