Great books on Python?

[Xavier Morel]

Tolga wrote:
> I am not unfamiliar to programming but a newbie in Python. Could you
> recommend me (a) great book(s) to start with? Free online books or
> solid books are welcome.
> 
> Thanx in advance.
> 
I'd call Dive Into Python a reference, it's an extremely clear yet 
pythonic book, and it's available online for free.

And I guess that you already checked it, but the Python's Tutorial is -- 
of course -- imperative.