* [Welcome to Problem Solving with Algorithms and Data Structures](http://interactivepython.org/runestone/static/pythonds/index.html) - Brad Miller and David Ranum
* [Python in Hydrology](http://www.greenteapress.com/pythonhydro/pythonhydro.html) - Sat Kumar Tomer
* [Introduction to python](http://kracekumar.com/post/71171551647/introduction-to-python) - Kracekumar
* [Web2py: Complete Reference Manual, 6th Edition (pre-release)](http://web2py.com/book) - HTML
* [Web2py: Complete Reference Manual, 6th Edition (pre-release)](https://dl.dropbox.com/u/18065445/web2py/web2py_manual_5th.pdf) - PDF
####Django
* [Djen of Django](http://agiliq.com/books/djenofdjango/)