The Greg Michaelson book is a really great intro, and he's made the postscript sources (without index) available on his website http://www.macs.hw.ac.uk/~greg/b

The Greg Michaelson book is a really great intro, and he's made the postscript sources (without index) available on his website http://www.macs.hw.ac.uk/~greg/books/ http://www.macs.hw.ac.uk/~greg/books/.