Does anyone know of a corpus of educational materials (textbooks, or any online textual resources) in English for science and/or technology for different grade levels? Ideally they will be US educational materials, but they can be from UK, Australia, or Canada as well.
Thank you, Smaranda
Smaranda Muresan Assistant Professor Library and Information Science Department Rutgers University http://www.comminfo.rutgers.edu/~smuresan