e-Books Websites

American Institute of Mathematics website where you can download free Mathematics e-books. Their aim is to advance mathematical knowledge through collaboration, to broaden participation in the mathematical endeavor, and to increase the awareness of the contributions of the mathematical sciences to society.

This is a portal that claims to have over 2,400,000 downloadable e-books (PDFs).  It has a keyword search engine plus a broad subject category listing.  Search listings are limited to 100 titles so precise keyword searches should be used.  Due to the size of the full-text books, downloading can be time consuming especially if there is limited bandwidth.

Bookboon.com is the world’s largest publisher of online educational literature. We provide free textbooks for university students, premium eBooks for business professionals and learning solutions for companies.

Connexions is a dynamic digital educational ecosystem consisting of an educational content repository and a content management system optimized for the delivery of educational content. It provides free access to more than 17,000 learning objects or modules in its repository and over 1000 collections (textbooks, journal articles, etc.) are used by over 2 million people per month. Its content services the educational needs of learners of all ages, in nearly every discipline, from math and science to history and English to psychology and sociology. Materials are easily downloadable to almost any mobile device for use anywhere, anytime.

FreeBooks4Doctors was created to promote the free availability of medical books on the Internet. It provides access to over 360 books sorted by topic, FB4D Impact, language and year.

Freebookcentre.net contains links to thousands of free online technical books. Which Include core computer science, networking, programming languages, Systems Programming books, Linux books and many more.This portal focuses primarily on academic material.  It has a keyword search tool and also a list of broad subject categories

InTech is a pioneer and world's largest multidisciplinary open access publisher of books covering the fields of Science, Technology, Medicine, Engineering, Health Sciences, Life Sciences, Social Sciences and Humanities. Since 2004, InTech has collaborated with 87550 authors and published 2442 books and 6 journals with the aim of providing free online access to research. With +47 million book chapters and journal articles downloads up to date.

Free Information Technology books for downloading.

Living Books About Life is a series of curated, open access books about life -- with life understood both philosophically and biologically -- which provide a bridge between the humanities and the sciences. Produced by a globally-distributed network of writers and editors, the books in the series repackage existing open access science research by clustering it around selected topics whose unifying theme is life: e.g., air, agriculture, bioethics, cosmetic surgery, electronic waste, energy, neurology and pharmacology.

The Academy grants free and downloadable access to all the PDFs of their e-book publications.  Individuals must register for this feature (free).  The initial screen has a key-word search engine plus links to broad categories including Agriculture, Biology and Life Sciences, Energy and Energy Conservation, Food and Nutrition and Health and Medicine.  Each category has a sub-topic list.

Bookshelf provides free online access to books and documents in life science and healthcare. Search, read, and discover.  Access is via keyword search or Browse Titles or New Releases.  In the keyword search tool, other access options (limits) include Subjects, Types and Publishers.  Search results contain the PDFs of books, collections, databases, documentations and reports.

Open Access Textbooks: A FIPSE grant project  ...creating a model for open textbook implementation

Open textbooks are real, complete textbooks licensed so teachers and students can freely use, adapt, and distribute the material. Open textbooks can be downloaded for no cost, or printed inexpensively.

The Oxfam website provides free easy access to over 3000 development and humanitarian policy, training, and research publications from Oxfam and its partners worldwide

Project Gutenberg offers over 40,000 free eBooks choose among free epub books, free kindle books, download them or read them online.