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Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Choose from more than 100 million new & used books, used textbooks, and rare, out-of-print books from over 8,000 independent book stores around the world.

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Find what you want in a library near you with WorldCat, a global catalog of library collections.

Trade books for free with our online book swap. We are not just Paperbacks! Find a huge selection of hardbacks, audio books, romance novels and more.

Immersion to the downloadable world of books with General World team - General EBooks! Free books search engine with powerful database for everyone! Search, Find and Read your favorite books!

Readcube is a free, simple, academic software and reference manager for researchers. Read Cube helps researchers organize, annotate and stay on top of new research literature.

Diigo is a powerful research tool and a knowledge-sharing community

AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.