Science E-Book Collections

The NASA Astrophysics Data System		Physics, Astrophysics, and Instrumentation.
FreeBooks4Doctors!		Medical books.
Medical Textbooks Online		Medical reference textbooks, grouped by specialty.
Medicalstudent.com		Medical books and information intended for medical students.
National Academies Press		Contains more than 2,500 books.
National Center for Biotechnology Information		Medical books and papers.
Neonatology on the Web: Classic Papers and Books		Books and other resources on neonatology.
Networked Computer Science Technical Reports Library		An international collection of computer science technical reports from CS departments and industrial and government research laboratories.
The Online Books Page		Hosted by the University of Pennsylvania.
Online Books 4 Free		Medicine, science, and technology.
Project Gutenberg		Contains thousands of online texts in the public domain. Contains some science books.
The University of California Press eScholarship Editions		Over 300 of the University of California Press eScholarship Editions are available to the public. The other titles are currently only available to USC faculty, students and staff.
The Virtual Hospital		Texts on medical issues.