Science Books Online: Links

E-Books Directory Blog
Science e-books added daily
Free science books for everybody

Free library of educational textbooks that anyone can edit

The Assayer
Catalog of books whose authors have made them available for free

The Online Books Page
Listing over 2 million free books on the Web

Price compares dozens of textbook selling and renting sites.

PlanetMath Books
Math for the people, by the people.

Ludwig von Mises Institute: Literature
Online offering of the literature of the Austrian School and libertarian ideas

Books covering fields of Artificial Intelligence, Manufacturing, Robotics and Operations Research.

Free Books 4 Doctors
Promoting free access to medical books
Online textbooks for students in PDF format

Textbook Revolution
Dedicated to increasing the use of free educational materials by teachers and professors