WORLD LIBRARY OF SCIENCE

"The World Library of Science is a free online resource for a global community. Developed as a partnership between UNESCO and Macmillan Science and Education, this online Library offers quality Nature Education content in short eBooks and articles, serving a mission to equalize access to high quality resources for science education for all communities across the globe. All offerings are digital, allowing easy access to online tools and networks. The content of the World Library of Science is meant to inspire more learning and curiosity, and help train students and teachers alike, both in the content and cultural impacts of scientific discovery. Future plans involve expansion of life and physical science subjects, as well as translation of resources into multiple languages."

http://www.nature.com/wls/library