HEATKEYS

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...

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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.

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.

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

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

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.