She said she thought it was going to be a good day for driving, neither too hot nor too cold, and she cautioned Bailey that the speed limit was fifty-five miles an hour and that the patrolmen hid themselves behind billboards and small clumps of trees and sped out after you before you had a chance to slow down. She pointed out interesting details of the scenery: Stone Mountain; the blue granite that in some places came up to both sides of the highway; the brilliant red clay banks slightly streaked with purple; and the various crops that made rows of green lace-work on the ground. The trees were full of silver-white sunlight and the meanest of them sparkled. The children were reading comic magazines and their mother and gone back to sleep