Always be ready for the worst - you're at risk from the moment you step outside your front door! Here are step-by-step instructions on what you need to know NOW:

• How to Cross a Piranha-Infested River
• How to Stop a Runaway Train
• How to Build a Shelter in the Snow
• How to Treat a Scorpion Sting
• How to Survive a Sandstorm
• How to Survive an Airplane Crash
• How to Escape from the Trunk of a Car
• How to pass a Bribe

...plus an appendix of essential travel strategies, phrases, and gestures to use - and avoid.

Joshua Piven and David Borgenicht are both residents of Philadelphia. They have appeared on 20/20, Today, National Enquirer TV, as well as in Time, USA Today, The New Yorker and People. Check out www.worstcasescenarios.com for updates, new scenarios, and more!

Penn Jillette, who has been called the most wired magician on this planet, is the more gregarious half of Penn & Teller - the world's most famous magic duo. Since 1975, Penn & Teller's award-winning theater show has been a long-running hit on and off Broadway.