- The Python.org documents section
- Python Wiki at python.org
- Dive into Python by Mark Pilgrim, a free book published under GNU Free Documentation License, with around 100 000 words
- Text Processing in Python, a book by David Mertz, published by Addison Wesley
- Introduction to Python Programming with NCLab, a book available as a single PDF, with around 44 000 words
- Invent Your Own Computer Games with Python - A complete eBook for total beginners available for free under a Creative Commons license.
- Making Games with Python & Pygame - A Creative Commons-licensed book that covers the Pygame library.
- Hacking Secret Ciphers with Python - A Creative Commons-licensed book for complete beginners with a focus on cryptography.