Introduction - If you have any usage issues, please Google them yourself
Learning Python (Lutz & Ascher)
Tutorial
Covers Python 2.3
Should be read in sequence, but skip most of Part 1
Many useful points about sensible style
Python in a Nutshell (Martelli)
Quick reference
Covers Python 2.2
Useful for looking things up things use the index
Companion to the on-line documentation
Should be read in sequence only by serious nerds