"Learn me to read, book lady.... Please if you learn me, I won't be lonesome any more. I broke my back last year. It wan't mended yet." A look at WPA Travelling Libraries. See also: Free traveling libraries (Wisconsin), Lighthouse libraries (Coastal U.S.), Blue Trunk Medical Libraries (Africa), Bus Libraries (China), a few miscellaneous mobile libraries, and this one from the 16th Century. And yes, there's some YouTube.