Recommended Books
These are books I'm reading in preparation for this trip. If you enjoy Travel Writing I recommend the following books....
Travels with Charley: In Search of America by John Steinbeck
On the Road by Jack Kerouac
The Lost Continent: Travels in Small-Town America by Bill Bryson
Through Painted Deserts: Light, God, Beauty on the Open Road by Donald Miller
Recommended Websites
For more information on US Route 6 the following websites can give you more history and information....
http://en.wikipedia.org/wiki/U.S._Route_6
I also recommend the following website. It's not Route 6 specific but if you love road trips you should definitely check out this magazine.
http://www.americanroadmagazine.com