File list (Check if you may need any files):
Ch04
....\EXTRAS
....\......\README.txt
....\......\create2Normal.py
....\......\monoDemo.py
....\bayes.py
....\bayes.pyc
....\email
....\.....\ham
....\.....\...\1.txt
....\.....\...\10.txt
....\.....\...\11.txt
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....\.....\...\9.txt
....\.....\spam
....\.....\....\1.txt
....\.....\....\10.txt
....\.....\....\11.txt
....\.....\....\12.txt
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....\.....\....\2.txt
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....\.....\....\6.txt
....\.....\....\7.txt
....\.....\....\8.txt
....\.....\....\9.txt
....\email.zip