diff --git a/free-programming-books-de.md b/free-programming-books-de.md
index 8735173a8ff3203497dbc4b077f4760662537e3d..a5b176d5acec308ff0b6597905855fc01185ecee 100644
--- a/free-programming-books-de.md
+++ b/free-programming-books-de.md
@@ -109,6 +109,7 @@
 
 ###Python
 * [Python Das umfassende Handbuch](http://openbook.galileocomputing.de/python/)
+* [Programmiereinführung mit Python](http://opentechschool.github.io/python-beginners/de/)
 
 
 ###Ruby
diff --git a/free-programming-books-es.md b/free-programming-books-es.md
index 3385d72d8ed7c9df82d580ad2fa09e6e934783ef..2479c740b8e8c5218f1860a096e806167900eaee 100644
--- a/free-programming-books-es.md
+++ b/free-programming-books-es.md
@@ -9,7 +9,6 @@
     * [Paradigmas de Programación](#paradigmas-de-programaci%C3%B3n)
     * [Sistemas Operativos](#sistemas-operativos)
 * [Android](#android)
-* [Assembly Language](#assembly-language)
 * [CSS](#CSS)
 * [Coffeescript](#coffeescript)
 * [C++](#c)
@@ -18,7 +17,7 @@
 * [Git](#git)
 * [Haskell](#haskell)
 * [JavaScript](#javascript)
-    * [jQuery] (#jquery) 
+    * [jQuery] (#jquery)
     * [node.js](#nodejs)
 * [Java](#java)
 * [LaTeX](#latex)
@@ -88,10 +87,6 @@
 * [Curso de Programación Android](http://www.sgoliver.net/blog/wp-content/uploads/2011/11/Manual-Programacion-Android-SgoliverNet-v3-muestra.zip) (PDF) by Salvador Gómez Oliver
 
 
-###Assembly Language
-* [PC Assembly Language](http://drpaulcarter.com/pcasm/) - Paul A. Carter
-
-
 ###CSS
 * [Guía Completa de CSS3](http://www.etnassoft.com/biblioteca/guia-completa-de-css3/)
 * [Introducción a CSS](http://librosweb.es/css/)
@@ -172,6 +167,7 @@
 * [Introducción a la programación con Python](http://www.uji.es/bin/publ/edicions/ippython.pdf) (PDF)
 * [Doma de Serpientes para Niños](http://code.google.com/p/swfk-es/)
 * [Python para principiantes (PDF)](http://www.cursosdeprogramacionadistancia.com/static/pdf/material-sin-personalizar-python.pdf) [(HTML)](http://librosweb.es/libro/python/)
+* [Introducción a Programando con Python](http://opentechschool.github.io/python-beginners/es_CL/)
 
 
 ###Ruby
diff --git a/free-programming-books.md b/free-programming-books.md
index 3fda51ed49023d6d23f053750848dddf9dc8558a..b5173982b7bfac594c886154643755e9a2ce3b2b 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -139,6 +139,7 @@
 * [Tcl](#tcl)
 * [Teradata](#teradata)
 * [TeX](#tex)
+* [Tizen](#tizen)
 * [TypeScript](#typescript)
 * [Unix](#unix)
 * [Vim](#vim)
@@ -1289,6 +1290,7 @@ See also [TeX](#tex)
 * [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/)
@@ -1328,7 +1330,6 @@ See also [TeX](#tex)
 * [Django by Example](http://www.lightbird.net/dbe/)
 * [Django by Example for Django 1.5](http://lightbird.net/dbe2/)
 * [Effective Django](http://effectivedjango.com/)
-* [Tango With Django](http://www.tangowithdjango.com/book/)
 * [Deploy Django](http://www.deploydjango.com)
 * [The Django Book](http://www.djangobook.com)
 * [Tango With Django](http://www.tangowithdjango.com/)
@@ -1545,6 +1546,9 @@ See also [TeX](#tex)
 
 See also [LaTeX](#latex)
 
+###Tizen
+* [Tizen for Dummies](https://developer.tizen.org/sites/default/files/blogs/tizenfordummiesmainchangelist.pdf) (PDF) by Jon Lansdell, Cheng Luo, Michelle Somersville
+
 
 ###TypeScript
 * [TypeScript Succinctly, Syncfusion](http://www.syncfusion.com/resources/techportal/ebooks/typescript) (PDF, Kindle) *(Just fill the fields with any values)*