Shipud writes "The National Academies Press are offering all their books for free in PDF format. These are all the publications of the National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council. Lots of great stuff there, and now for free."
e-credibility: the non-guaranteeable likelihood that the electronic data
you're seeing is genuine rather than somebody's made-up crap.
- Karl Lehenbauer