Books provide in-depth information on broad subject areas. Researchers use them when they need:
Note: Often a chapter or two, rather than the entire book, are all that you may need.
Searching for Ebooks
Accessing an Ebook
Google Books is
Google's effort to make it easier to find information -- in this case, the information found in print books. By partnering with libraries to digitize books from their collections, they aim to build a searchable catalog of the world's books online. - Google Books
Google Books Search