Harvest serves up a very appealing natural-foods buffet with more than sixty different dishes (mostly Japanese-style), including lots of vegetables. Lunch (until 5pm) and dinner prices are Y1399 and Y1899 weekdays and Y1599 and Y1899 weekends. The soft drink bar is Y199. (Prices do not include consumption tax.)
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.