Programming: Unix and Python

• Unix for Poets, Kenneth Ward Church

Really interesting for analyzing the content of plain text files &c. using unix commands. Not sure it's relevant for Windows users, but it should work on Mac & Linux. A lot of the commands have been very useful during my internship.

• A Byte of Python, C M Swaroop

Provides a basic introduction to the Python language, and it is also rather short!

• Dive Into Python, Mark Pilgrim

This is a very thorough introduction to Python, meaning incredibly long. It definitely lives up to the book title.