Shinjuku area
From BOOK STORE WIKI
Shinjuku East Side
Kinokuniya main store
https://www.kinokuniya.co.jp/c/store/Shinjuku-Main-Store/
big store! walk from Shinjuku.sta only 2 minutes 6 floors. there are English books zone on top floor.
Kinokuniya Southern terrace store
https://www.kinokuniya.co.jp/c/store/Shinjuku-South-Store/
big store! walk from Shinjuku.sta in 5 minutes. there are English books zone. 5 floors.
Book Off Shinjuku Eastside Store
3 floors secondhand bookstore.
It also has a lot of CD and DVD.
Shinjuku West Side
Book 1st. Shinjuku store
big store! walk from station only two minutes. This store have English magazine zone. 2 floors. and this locates basement.
Book Off Shinjuku Westside Store
It also has a lot of CD and DVD.
In front of the Keio Department store.