Already a best-selling addition to the series, this year's Best American Travel Writing is a far-flung collection chosen by travel writer extraordinaire Paul Theroux, who has selected pieces about "the spell in the wilderness, the letter home from foreign parts, the dangerous adventure, the sentimental journey, the expos?, the shocking revelation, the eyewitness report, the ordeal, the quest . . . Travel is an attitude, a state of mind." Theroux's...