David Borgenicht, co-author of The Worst-case Scenario Survival Handbook, says his love of "worst-case scenarios" came from a trip to Pakistan during which he rode around in a heavy-armored vehicle. He lives in the relative safety of Philadelphia. Joshua Piven is co-author of The Worst-case Scenario Survival Handbook. He has written dozens of articles for magazines and newspapers, including Computer Shopper, Working at Home, and Business Philadelphia. He's ready for anything.