An "alternative" to Learning Perl

[Sebastian Rooks]

Hello everyone,

I was wondering if you could help me. I'm looking for a python
introductory book, kind of like Learning Python only smaller (?!)
The thing is, I travel to and from work each day for about 1,5h in each
direction, and do most of my reading on the train :\

(seriously)

And I can't find one (just one) python book shorter than 500 pages that
is worth its weight in salt.

Anyone know of any, any at all?

All suggestions welcomed!

-- Sebastian