diff --git a/free-programming-books.md b/free-programming-books.md
index f6b346ec92d0cbd296c94c0586029c5ce7297506..264c69f4695099f1f1a015c62e2e367c84549410 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1272,18 +1272,23 @@ See also [TeX](#tex)
 
 
 ###Python
+* [A Beginner's Python Book](http://en.wikibooks.org/wiki/A_Beginner%27s_Python_Tutorial)
 * [A Bit of Python and Other Things](http://jessenoller.com/good-to-great-python-reads/)
+* [A Guide to Python's Magic Methods](http://www.rafekettler.com/magicmethods.html) - Rafe Kettler
+* [Building Skills in Python](http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf)
+* [Building Skills in Object-Oriented Design (Python)](http://www.itmaybeahack.com/book/oodesign-python-2.1/latex/BuildingSkillsinOODesign.pdf)
 * [Byte of Python](http://www.swaroopch.com/notes/Python)
 * [Data Structures and Algorithms in Python](http://www.brpreiss.com/books/opus7/html/book.html)
 * [Dive into Python](http://www.diveintopython.net/) - Mark Pilgrim
 * [Dive into Python 3](http://getpython3.com/diveintopython3/) - Mark Pilgrim
 * [Google's Python Class](https://developers.google.com/edu/python/?hl=de-DE&csw=1)
-* [A Guide to Python's Magic Methods](http://www.rafekettler.com/magicmethods.html) - Rafe Kettler
+* [Google's Python Style Guide](http://google-styleguide.googlecode.com/svn/trunk/pyguide.html)
 * [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 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/)
 * [Lectures on scientific computing with python](https://github.com/jrjohansson/scientific-python-lectures) - J.R. Johansson
@@ -1291,36 +1296,30 @@ See also [TeX](#tex)
 * [Modeling Creativity: Case Studies in Python](http://www.clips.ua.ac.be/sites/default/files/modeling-creativity.pdf) - Tom D. De Smedt
 * [Natural Language Processing with Python](http://www.nltk.org/book)
 * [Porting to Python 3: An In-Depth Guide](http://python3porting.com/)
+* [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 Bibliotheca](http://openbookproject.net/pybiblio/)
 * [Python Cookbook](http://chimera.labs.oreilly.com/books/1230000000393/index.html) - David Beazley
 * [Python for Fun](http://www.openbookproject.net/py4fun/)
 * [Python for Informatics: Exploring Information](http://www.pythonlearn.com/book.php)
 * [Python for you and me](http://pymbook.readthedocs.org/en/latest/)
+* [Python in Hydrology](http://www.greenteapress.com/pythonhydro/pythonhydro.html) - Sat Kumar Tomer
+* [Python Koans](https://github.com/gregmalcolm/python_koans)
+* [Python Module of the Week](http://pymotw.com/2/)
 * [Python Practice Book](http://anandology.com/python-practice-book/index.html)
 * [Python Programming](http://upload.wikimedia.org/wikipedia/commons/9/91/Python_Programming.pdf) - PDF
 * [Python Scientific Lecture Notes](http://scipy-lectures.github.io/)
+* [Python Standard Library](http://effbot.org/librarybook/) - Fredrik Lundh
 * [Snake Wrangling For Kids](http://www.briggs.net.nz/snake-wrangling-for-kids.html)
+* [Test-Driven Web Development with Python](http://chimera.labs.oreilly.com/books/1234000000754/index.html)
 * [The Art and Craft of Programming](http://beastie.cs.ua.edu/cs150/book/index.html)
 * [The Programming Historian](http://niche-canada.org/files/programming-historian-1.pdf) - William J. Turkel, Adam Crymble and Alan MacEachern
 * [Think Python](http://www.greenteapress.com/thinkpython/) - Allen B. Downey
-* [Problem Solving with Algorithms and Data Structures](http://interactivepython.org/courselib/static/pythonds/index.html)
-* [Python Module of the Week](http://pymotw.com/2/)
 * [Wikibooks: Python Programming](http://en.wikibooks.org/wiki/Python_Programming)
-* [Python Koans](https://github.com/gregmalcolm/python_koans)
-* [Test-Driven Web Development with Python](http://chimera.labs.oreilly.com/books/1234000000754/index.html)
-* [Python Standard Library](http://effbot.org/librarybook/) - Fredrik Lundh
-* [Building Skills in Python](http://www.itmaybeahack.com/book/python-2.6/latex/BuildingSkillsinPython.pdf)
-* [Building Skills in Object-Oriented Design (Python)](http://www.itmaybeahack.com/book/oodesign-python-2.1/latex/BuildingSkillsinOODesign.pdf)
 * [Text Processing in Python](http://gnosis.cx/TPiP/) - David Mertz
 * [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
-* [Google's Python Style Guide](http://google-styleguide.googlecode.com/svn/trunk/pyguide.html)
-* [A Beginner's Python Book](http://en.wikibooks.org/wiki/A_Beginner%27s_Python_Tutorial)
-* [Python For Fun](http://openbookproject.net//py4fun/) By Chris Meyers
 
 
 ####Django