As of June 2011, all PDF versions of books published by the National Academies Press will be available via PDF at no charge. This includes the National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council.
Please read the press release from the National Academies Press.
Some of the topics that are covered include, Behavioral and Social Sciences, Health and Medicine, Education, Biology and Life Sciences, Computers and Information Technology — and more!
Here is a sample of books that are now available in PDF format:
Leading Health Indicators for Healthy People 2020
The Future of Nursing: Leading Change, Advancing Health
Secondhand Smoke Exposure and Cardiovascular Effects: Making Sense of the Evidence
Mathematics Learning in Early Childhood: Paths Towards Excellence and Equity
Starting Out Right: A Guide to Promoting Children’s Reading Success








