Library Guides: E-Books at Penn State: More Free E-books on the Web

Free Online E-books

Internet Archive
Collection includes over 1.4 million eBooks from the 1920s-1990s, acquired and digitized by the Internet Archive.
Project Gutenberg
Over 49,000 free ebooks: choose among free epub books, free kindle books, download them or read them online.
Hathi Trust Digital Library
A digital catalog and repository containing millions of items created by research libraries.
Google Book Search
Includes well over 10 million books. Most books published before 1923 can be viewed for free online. More recent books can often only be searched and previewed.
National Academies Press
More than 5,000 titles in PDF format. All of these PDFs can be downloaded for free by the chapter or the entire book.
OAPEN
The OAPEN Library contains freely accessible academic books, mainly in the area of humanities and social sciences.
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OAPEN works with publishers to build a quality controlled collection of open access books, and provides services for publishers, libraries and research funders in the areas of deposit, quality assurance, dissemination, and digital preservation.
Directory of Open Access Books
27,000+ Academic peer-reviewed books from 375+ publishers.