Riding the circular Yamanote Line on a Sunday in Tokyo, it is easy to daydream. Those who have found themselves at times wondering what the city might have been like in the past are likely to enjoy the aptly named "Lust, Commerce, and Corruption: An Account of What I Have Seen and Heard, by an Edo Samurai," a well-translated firsthand account of life in Japan's capital 200 years ago, when it was the burgeoning city of Edo.