Added all new images.

Using some silly innerHTML hack for the prev/next things and quick text
to show how to add the book images too.  Note that the book URLs are
better than the ones you used: drop www where applicable, use the PLAI
proper site.  Also, I took the ROR cover from the PDF, so it's has a
much better resolution.
This commit is contained in:
Eli Barzilay 2013-10-13 19:33:38 -04:00 committed by Matthew Flatt
parent 25f35a7fb3
commit d7547d9530

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