See the whole world dirt cheap, up close, and in the most comfortable way possible, by RV. The author and his wife spent seventeen-years on a journey that took them through 170 countries on six continents with a few colorful scrapes along the way. If these two can do it, anyone can!
Hidden Travel, Stephen W. Brock
The Art of Slow Travel: See the World and Savor the Journey On a Budget [An Unusual Travel Guide] by Bhavana Gesota