From its designation in 1926 to the rise of the interstates nearly sixty years later, Route 66 was, in John Steinbeck's words, America's Mother Road, carrying countless travelers the 2,400 miles between Chicago and Los Angeles. Whoever they were--adventurous motorists or Dustbowl migrants, troops on military transports or passengers on buses, vacationing families or a new breed of tourists--these travelers had to eat. The story of where they stopped...