Don't worry about being the only person working at the Paperback Cafe - you'll generally find laptops in use at every table, giving the place a busy, productive atmosphere. The cafe is spread out over three levels (two of them non-smoking) inside a Jimbocho bookstore, with free WiFi and ample electrical outlets. Reasonably priced tea and espresso will help fuel your work session, along with assorted sandwiches, soups, quiches and rice dishes.
This book will introduce you to more than twenty of Japan's favorite specialty foods that are less well known abroad, along with a guide to the best places in Tokyo to try them and expert tips on what to order. From Bento.com.