It brought to my mind the part bookmobiles had played in my life. They certainly were instrumental in my youth in bringing books to our rural community. The bookmobile came about every three or four weeks but it was wonderful and the only source of reading material available to me. I have been reading incessantly ever since.
This reminded me of this awesome Library Bus in Sweden:
Just thought you'd all like to know about it. Make sure to click the link above for more pictures--the interior, for instance, where all the books are.