HEATKEYS

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

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 ...

Lulu.com lets you make, self-publish, print and sell print-on-demand books, e-books, photo books and calendars with free book publishing.

Docstoc is a community for people to find and share professional documents. Find free legal documents and free business documents.

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

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.

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

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

YouTube is a place to discover, watch, upload and share videos.

The Book Depository offers 2.2 million books with free shipping worldwide. No registration required to order.