A PDF version of "Structure and Interpretation of Computer Programs" (SICP) by Abelson and Sussman. 
Low resolution bitmap images are replaced by vector graphics (SVG) and mathematics is typeset in TeX. 
Typography and layout are improved for better on-screen legibility.

It is based on Neil Van Dyke's Texinfo version: http://www.neilvandyke.org/sicp-texi/

Official SICP page with HTML version: http://mitpress.mit.edu/sicp/

Adapted to Kindle format by Gavrie Philipson:
* Page size matches the 600*800 screen aspect ratio of the Kindle
* Page numbers have been removed
* Size of text is larger and closer to standard Kindle ebooks