diff --git a/free-programming-books.md b/free-programming-books.md
index d167eb05..294f1a34 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1,31 +1,4 @@
 ###Index
-* [Meta-Lists](#meta-lists)
-* [Graphical user interfaces](#graphical-user-interfaces)
-* [Graphics Programming](#graphics-programming)
-* [Language Agnostic](#language-agnostic)
-    * [Algorithms & Datastructures](#algorithms--datastructures)
-    * [Licensing](#licensing)
-    * [Theoretical Computer Science](#theoretical-computer-science)
-    * [Operating systems](#operating-systems)
-    * [Database](#database)
-    * [Networking](#networking)
-    * [Compiler Design](#compiler-design)
-    * [Programming Paradigms](#programming-paradigms)
-    * [Parallel Programming](#parallel-programming)
-    * [Regular Expressions](#regular-expressions)
-    * [Standards](#standards)
-    * [Software Architecture](#software-architecture)
-    * [Open Source Ecosystem](#open-source-ecosystem)
-    * [Information Retrieval](#information-retrieval)
-    * [Datamining](#datamining)
-    * [Machine Learning](#machine-learning)
-    * [Mathematics](#mathematics)
-    * [Cellular Automata](#cellular-automata)
-    * [Misc](#misc)
-    * [Web Performance](#web-performance)
-    * [MOOC](#mooc)
-    * [Professional Development](#professional-development)
-    * [Security](#security)
 * [Ada](#ada)
 * [Agda](#agda)
 * [Android](#android)
@@ -57,8 +30,8 @@
 * [Emacs](#emacs)
 * [Erlang](#erlang)
 * [F#](#f-sharp)
-* [Flex](#flex)
 * [Firefox OS](#firefox-os)
+* [Flex](#flex)
 * [Force.com](#forcecom)
 * [Forth](#forth)
 * [Fortran](#fortran)
@@ -67,6 +40,8 @@
 * [Go](#go)
 * [Gradle](#gradle)
 * [Grails](#grails)
+* [Graphical user interfaces](#graphical-user-interfaces)
+* [Graphics Programming](#graphics-programming)
 * [Hadoop](#hadoop)
 * [Haskell](#haskell)
 * [HTML / CSS](#html--css)
@@ -84,6 +59,30 @@
     * [jQuery](#jquery)
     * [Knockout.js](#knockoutjs)
     * [Node.js](#nodejs)
+* [Language Agnostic](#language-agnostic)
+    * [Algorithms & Datastructures](#algorithms--datastructures)
+    * [Licensing](#licensing)
+    * [Theoretical Computer Science](#theoretical-computer-science)
+    * [Operating systems](#operating-systems)
+    * [Database](#database)
+    * [Networking](#networking)
+    * [Compiler Design](#compiler-design)
+    * [Programming Paradigms](#programming-paradigms)
+    * [Parallel Programming](#parallel-programming)
+    * [Regular Expressions](#regular-expressions)
+    * [Standards](#standards)
+    * [Software Architecture](#software-architecture)
+    * [Open Source Ecosystem](#open-source-ecosystem)
+    * [Information Retrieval](#information-retrieval)
+    * [Datamining](#datamining)
+    * [Machine Learning](#machine-learning)
+    * [Mathematics](#mathematics)
+    * [Cellular Automata](#cellular-automata)
+    * [Misc](#misc)
+    * [Web Performance](#web-performance)
+    * [MOOC](#mooc)
+    * [Professional Development](#professional-development)
+    * [Security](#security)
 * [LaTeX](#latex)
 * [Linux](#linux)
 * [Lisp](#lisp)
@@ -92,6 +91,7 @@
 * [MATLAB](#matlab)
 * [Maven](#maven)
 * [Mercurial](#mercurial)
+* [Meta-Lists](#meta-lists)
 * [MySQL](#mysql)
 * [.NET (C# / VB / Nemerle / Visual Studio)](#net-c--vb--nemerle--visual-studio)
 * [NoSQL](#nosql)
@@ -140,7 +140,7 @@
 * [TypeScript](#typescript)
 * [Unix](#unix)
 * [Vim](#vim)
-* [Web Services] (#web-services)
+* [Web Services](#web-services)
 * [Windows 8](#windows-8)
 * [Windows Phone](#windows-phone)
 * [Workflow](#workflow)
@@ -169,7 +169,7 @@
 * [JSBooks - directory of free javascript ebooks](https://github.com/revolunet/JSbooks)
 * [Learn X in Y minutes](http://learnxinyminutes.com/)
 * [Microsoft Technologies, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, Office365, etc. collection by Eric Ligman](http://blogs.msdn.com/b/mssmallbiz/archive/2012/07/27/large-collection-of-free-microsoft-ebooks-for-you-including-sharepoint-visual-studio-windows-phone-windows-8-office-365-office-2010-sql-server-2012-azure-and-more.aspx)
-* [ More ebook download links on Microsoft Technologies, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, etc. collection by Eric Ligman](http://blogs.msdn.com/b/mssmallbiz/archive/2012/07/30/another-large-collection-of-free-microsoft-ebooks-and-resource-kits-for-you-including-sharepoint-2013-office-2013-office-365-duet-2-0-azure-cloud-windows-phone-lync-dynamics-crm-and-more.aspx?wa=wsignin1.0)
+* [More ebook download links on Microsoft Technologies, including books on Windows Azure, SharePoint, Visual Studio Guide, Windows phone development, ASP.net, etc. collection by Eric Ligman](http://blogs.msdn.com/b/mssmallbiz/archive/2012/07/30/another-large-collection-of-free-microsoft-ebooks-and-resource-kits-for-you-including-sharepoint-2013-office-2013-office-365-duet-2-0-azure-cloud-windows-phone-lync-dynamics-crm-and-more.aspx?wa=wsignin1.0)
 
 
 ###Graphics Programming
@@ -570,7 +570,7 @@
 * [Object Oriented Programming in C](http://www.planetpdf.com/codecuts/pdfs/ooc.pdf) (PDF)
 * [C Programming - Wikibooks](http://en.wikibooks.org/wiki/Programming:C)
 * [Deep C](http://www.slideshare.net/olvemaudal/deep-c)
-* [Advanced Linux Programming] (http://www.advancedlinuxprogramming.com/)
+* [Advanced Linux Programming](http://www.advancedlinuxprogramming.com/)
 
 
 ###C++