Mainly a wine specialist, Deguchiya also stocks good selections of sake and craft beers. There's a small bar area with a few seats and a bit more standing room where you can drink any of the beers sold here after adding a small corkage charge. They also have a few bottles of sake open at any given time, but there's no menu so you have to ask what they have that day.
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.