CITYSCAPES Where to stay, what to see and—if the inclination hits you—where to put your money: it's all there on the Nanjing Vista page. The site is pretty straitlaced but it has everything you need to know for a trip to the 2,400-year-old city.
POCKET PRIMERA comprehensive at-a-glance guide to the world's countries, listing currencies, religion, history, language, holidays, mobile phone networks and English-language media. Download onto a Palm Pilot for convenient referencing.
WISE WORDS The etiquette section of this website lets you in on acceptable social and business decorum in more than 70 countries. Some tips for the first-timer on the mainland: when in China, always compliment the food, always say yes when asked if you've eaten—and don't mention Taiwan.