London :
Artwords bookstores (Rivington St/Broadway Market)
Wardour news
Photographer s gallery
Tate modern 
WH Smith Selfridges

Paris :
Colette
Palais de Tokyo
WH Smith
Yvon Lambert
Artazart

Germany :
Soda Books

U.S.A :
Barnes & Noble

Japan :
Closing Ceremony
Daikanyama Tsutaya Bookstore

and many more around the world... :)