HEATKEYS

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

Twitter is without a doubt the best way to share and discover what is happening right now.

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...

Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

Vimeo is a respectful community of creative people who are passionate about sharing the videos they make. We provide the best tools and highest quality video in the universe.

LibraryThing catalogs your books online, easily, quickly and for free.

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.

TextbookX.com sells new and used textbooks, reference titles, and bestsellers at discounts 10% to 80% off retail prices. Buy cheap used textbooks on our marketplace, and earn 200% more for textbook buyback. Free shipping over $49.

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.