*[Hacking Secret Cyphers with Python](http://inventwithpython.com/hacking/chapters/) - Al Sweigart
*[Hitchiker's Guide to Python!](http://docs.python-guide.org/en/latest/)
*[How to Think Like a Computer Scientist: Learning with Python](http://www.greenteapress.com/thinkpython/thinkCSpy/) - Allen B. Downey, Jeff Elkner and Chris Meyers
*[How to Think Like a Computer Scientist: Learning with Python, Interactive Edition](http://interactivepython.org/courselib/static/thinkcspy/index.html)
*[Introduction to Programming Using Python](http://python-ebook.blogspot.com) - Cody Jackson
*[Introduction to Programming with Python](http://opentechschool.github.io/python-beginners/en/)
*[Introduction to python](http://kracekumar.com/post/71171551647/introduction-to-python) - Kracekumar
*[Invent Your Own Computer Games With Python](http://inventwithpython.com/chapters/) - Al Sweigart
*[Learn Python The Hard Way](http://learnpythonthehardway.org/book/)
*[Learning to Program](http://www.freenetpages.co.uk/hp/alan.gauld/)
*[Learning to Program with Python](http://python.cs.southern.edu/pythonbook/pythonbook.pdf) - Richard L. Halterman (PDF)
*[Lectures on scientific computing with python](https://github.com/jrjohansson/scientific-python-lectures) - J.R. Johansson
*[Making Games with Python & Pygame](http://inventwithpython.com/pygame/chapters/) - Al Sweigart
*[Hacking Secret Cyphers with Python](http://inventwithpython.com/hacking/chapters/) - Al Sweigart (3.3)
*[Hitchiker's Guide to Python!](http://docs.python-guide.org/en/latest/)(2.6)
*[How to Think Like a Computer Scientist: Learning with Python](http://www.greenteapress.com/thinkpython/thinkCSpy/) - Allen B. Downey, Jeff Elkner and Chris Meyers (2.4)
*[How to Think Like a Computer Scientist: Learning with Python, Interactive Edition](http://interactivepython.org/courselib/static/thinkcspy/index.html)(3.2)
*[Introduction to Programming Using Python](http://python-ebook.blogspot.com) - Cody Jackson (1st edition) (2.3)
*[Introduction to Programming with Python](http://opentechschool.github.io/python-beginners/en/)(3.3)
*[Introduction to python](http://kracekumar.com/post/71171551647/introduction-to-python) - Kracekumar (2.7.3)
*[Invent Your Own Computer Games With Python](http://inventwithpython.com/chapters/) - Al Sweigart (3.1)
*[Learn Python The Hard Way](http://learnpythonthehardway.org/book/)(2.5 - 2.6)
*[Learning to Program](http://www.freenetpages.co.uk/hp/alan.gauld/)(2.3)
*[Learning to Program with Python](http://python.cs.southern.edu/pythonbook/pythonbook.pdf) - Richard L. Halterman (PDF) (3.2)
*[Lectures on scientific computing with python](https://github.com/jrjohansson/scientific-python-lectures) - J.R. Johansson (2.7)
*[Making Games with Python & Pygame](http://inventwithpython.com/pygame/chapters/) - Al Sweigart (2.7)
*[Modeling Creativity: Case Studies in Python](http://www.clips.ua.ac.be/sites/default/files/modeling-creativity.pdf) - Tom D. De Smedt (PDF)
*[Natural Language Processing with Python](http://www.nltk.org/book)
*[Non-Programmer's Tutorial for Python 2.6](http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_2.6)
*[Non-Programmer's Tutorial for Python 3](http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3)
*[Porting to Python 3: An In-Depth Guide](http://python3porting.com/)
*[Natural Language Processing with Python](http://www.nltk.org/book)(2.5)
*[Non-Programmer's Tutorial for Python 2.6](http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_2.6)(2.6)
*[Non-Programmer's Tutorial for Python 3](http://en.wikibooks.org/wiki/Non-Programmer%27s_Tutorial_for_Python_3)(3.3)
*[Porting to Python 3: An In-Depth Guide](http://python3porting.com/)(2.6 - 2.x & 3.1 - 3.x)
*[Problem Solving with Algorithms and Data Structures](http://interactivepython.org/courselib/static/pythonds/index.html)
*[Program Arcade Games With Python And Pygame](http://programarcadegames.com/)
*[Python 2.7 quick reference](http://infohost.nmt.edu/tcc/help/pubs/python/web/) - New Mexico Tech
*[Program Arcade Games With Python And Pygame](http://programarcadegames.com/)(3.3)
*[Python 2.7 quick reference](http://infohost.nmt.edu/tcc/help/pubs/python/web/) - New Mexico Tech (2.7)
*[Welcome to Problem Solving with Algorithms and Data Structures](http://interactivepython.org/runestone/static/pythonds/index.html) - Brad Miller and David Ranum