update the link to SICP online HTML version

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 ## Books online
 
  * Steven Levy, [Hackers, Heroes of the Compuer Revolution](http://www.gutenberg.org/ebooks/729): chapter 1 tells the story of the birth of hacking at MIT in the 1950s
- * Abelson and Sussman, [Structure and Interpretation of Computer Programs](https://mitpress.mit.edu/sicp/full-text/book/book.html): the classic textbook for the famous 6.001
+ * Abelson and Sussman, [Structure and Interpretation of Computer Programs](https://mitp-content-server.mit.edu/books/content/sectbyfn/books_pres_0/6515/sicp.zip/index.html): the classic textbook for the famous 6.001
  * Eric Raymond, [The Art of Unix Programming](http://www.catb.org/esr/writings/taoup/html/index.html): also explains a lot of design
  * Mark Pilgrim, [Dive Into Python](http://diveintopython.org/): "a Python book for experienced programmers"
  * Eric Raymond, ed., [The Jargon File](http://catb.org/~esr/jargon/): a lot of hacker terminology and lore, plus quite a few interesting articles near the beginning.