!http://a1055.g.akamai.net/f/1055/1401/5h/images.barnesandnoble.com/images/8570000/8570407.gif! is one of the definitive Computer Science textbooks. It was also, for years, the book that defined the scheme language. It’s big, and dense and fairly expensive.
Imagine my suprise, then, that MIT Press has apparently “made the entire thing available for free on the web”:http://mitpress.mit.edu/sicp/full-text/book/book.html.
