There’s no way, and probably no good reason, to be subtle about it — diarrhea, parasites, and other gastrointestinal unpleasantries can be part of the price travelers pay for trying to see the world. Fortunately, this frank, witty guide lets world-explorers fight back against their invisible assailants. A noted traveler and writer, Dr. Wilson-Howarth explores such issues as sanitizing unhealthy water, safely consuming exotic foods, avoiding dehydration, keeping good hygiene on the road, and immunization. A special section details the dreaded creatures — spiders, leeches, worms — that can put any tour into a tailspin. With special tips for children and elderly travelers, as well as ways to dodge ailments such as malaria, typhoid, and hepatitis, How to Shit Around the World is the perfect, if not the most polite, traveling companion.