Pre-internet, my Lonely Planet and Rough Guides to India were worn out, stained, and page torn. I even ripped out particular pages to take with me when I traveled! Thankfully, travel has become more accessible than ever, thanks to the wealth of information available online. Whether you're planning a weekend getaway or embarking on a round-the-world adventure, having reliable travel guides and websites (and ebooks and PDFs, oh my!) at your disposal can make all the difference