Yamaya
Nishi-Shinjuku: Liquor shop
Yamaya (Nishi-Shinjuku: Liquor shop)
Yamaya
Open 10am-10pm daily.
Sun: Open Sundays

They have an extensive wine selection, but it's always changing, so if you find something you like it might not be there the next time. Great prices.

Nishi-Shinjuku
Shinjuku-ku, Nishi-Shinjuku 3-2-7.
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Tokyo Beyond Sushi - the guidebook
Tokyo Beyond Sushi
Explore the hidden side of Tokyo dining
Charcoal-grilled pork on skewers, udon noodles in curry-flavored soup, octopus dumplings, deep-fried beef cutlet -- there's a whole world of exciting food in Tokyo that food-loving visitors often miss out on.

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.
 
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Venue listing from Bento.com2 Star Rating: may appeal to some readers