Russia Online  
   Selection of books from Russia, plus maps and periodicals from Russia and the CIS.
   http://russianbooks.safeshopper.com/

Victor Kamkin  
   Russian-language titles from textbooks on learning Russian to the latest best-sellers in Russia.
   http://www.kamkin.com/

Esterum: Russian books  
   Russian books, fiction and non-fiction. reference books, electronic translators and tapes. In English and Russian.
   http://www.esterum.com

E-Volga  
   Wide selection of books in Russian. Categories include fiction, science, children, and Art.
   http://www.e-volga.com/

Ozon  
   Russian language books and entertainment with cultural information.
   http://www.ozon.ru/english/

East View  
   Browse by category, subject or location for Russian books. Offers a wide array of topics and prices. [English/Cyrillic]
   http://www.eastview.com/russian/books/index.asp