Aoyama Book Center will reopen September 29th.
10:00 AM Aoyama Main Store
 2:00 PM Roppongi Store

http://www.aoyamabc.co.jp/

Books Ryusui has taken over the Hiro-o store.  Book 1st acquired the two
branches in Shinjuku, and plans to reopen the Jiyugaoka branch September 24.

How much emphasis these stores will put on foreign publications is unknown.