US / International:
1.       Universal Publishers:
2.       Amazon.com
3.       Barnes & Noble
4.       MSN Shopping
5.       eFollett
6.       University of Georgia Bookstore
7.       Target
8.       Alibris
9.       Boon Bridge Books
10.     Borders

Australia:
1.       Booktopia
2.       Fish Pond

Canada:
1.       Amazon.co.ca

Ireland:
1.       Books Unlimited

New Zealand:
1.       Seek Books

United Kingdom:
1.       Blackwell
2.       Eruditor
3.       Amazon.co.uk
4.       Waterstone

Czech Republic
1.       Book Fayre

Finland
1.       Bookplus.fi

Germany:
1.       Amazon.co.de
2.       Libri.de

Italy:
1.       Libereriauniversitaria
2.       Webster

Japan:
1.       Kinokuniya
2.       Amazon.co.jp

Norway
1.       Bokkilden

Poland
1.       Krainaksiazek.pl

Romania
1.       BizCar.ro

South Africa:
1.       Kalahari
2.       Loot.co.za

Sweden
1.       Bokfynd.nu

People who bought my book also bought (Barnes & Noble):

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2. Elegant Universe : Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory Brian Greene

3. Warped Passages : Unraveling the Mysteries of the Universe's Hidden Dimensions Lisa Randall

4. A Brief History of Time : From the Big Bang to Black Holes Stephen Hawking

5. Parallel Worlds : A Journey Through Creation, Higher Dimensions, and the Future of the Cosmos Michio Kaku

This book is now available in book stores in 16 countries