Online booksellers
Blackwell's
Amazon.co.uk
The Book Depository
Fatbrain
SpeedyHen
Wordery
WH Smith
Bookstore.co.uk
Country Bookshop
United States
Amazon.com
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Book search
Barnes and Noble
General foreign language
Grant and Cutler
Foreign Language Centre (Australia)
European Bookshop (London)
(not Italian)
Krisostomos
(for English, German, Russian and Estonian)
French
Amazon France
A la page
Chapitre.com
FNAC
German
amazon.de
Italian
Italian Internet bookshop
Webster.it
Unilibro
Casalini
The Italian Bookshop (London)
Liber on web
Hoepli.it
Spanish
Booksfactory "Books of the World"
Espabooks
Paquebote
Other foreign language
Boeknet (Netherlands)
Russian
Natasha Kozmenko
Kamkin
http://studyrussian.com/MGU/bookstore/books.html