Late summer is perfect for classic mysteries - think of Raymond Chandler's hot Santa Anas and Agatha Christie's Mediterranean resorts - while big ambitious works of nonfiction are best approached in September and early October, when we still feel energetic and the grass no longer needs to be cut.
At 17, I traveled to Mexico in a lemon yellow Mustang and saved money by bunking down in cheap, cockroach-infested flophouses. In my early 20s, I went on to thumb rides through Europe, readily sleeping in train stations, my backpack as a pillow. Once I even hunkered down for a night on a sidewalk grate - for warmth - in Paris.