This is the seminal Structure and Interpretation of Computer Programs, Second Edition (SICP), converted to ePub format.
The HTML version used low-resolution GIFs to represent complex layouts and non-ASCII characters. Wherever possible, I have replaced these with Unicode and HTML. There are still many diagrams and figures left, though. If you’d like to contribute, redrawing those in SVG would be an immense help.
links for 2011-04-07