good books

[Shagshag13]

is it still worth to buy it if you browse through this ?

http://systems.cs.uchicago.edu/~beazley/tutorial/beazley_advanced_python/advpy.pdf
http://diveintopython.org/
http://www.ibiblio.org/obp/thinkCSpy/dist/
http://www.greenteapress.com/thinkpython.html
http://www.mindview.net/Books/TIPython

because i'm also looking for "The" python's book but i'm tired to buy this expensive books that i use only a few times and less that
some internet links...

s13.