Merge pull request #871 from danielbayerlein/ruby-on-rails

Ruby on Rails

free-programming-books-de.md

@@ -129,7 +129,6 @@
 
 ###Ruby
 * [Programmieren mit Ruby](http://approximity.com/rubybuch2/)
-* [Ruby on Rails 2](http://openbook.galileocomputing.de/ruby_on_rails/)
 
 
 ###Ruby on Rails
@@ -137,6 +136,7 @@
 * [Praxiswissen Ruby On Rails](http://examples.oreilly.de/openbooks/pdf_rubyonrailsbasger.pdf) [PDF]
 * [Rails Kochbuch](http://examples.oreilly.de/openbooks/pdf_railsckbkger.pdf) [PDF]
 * [Ruby on Rails 2](http://openbook.galileocomputing.de/ruby_on_rails/)
+* [Ruby on Rails 3.2 für Ein-, Um- und Quereinsteiger](http://ruby-auf-schienen.de/3.2/)
 
 
 ###Scilab

free-programming-books.md

@@ -1485,6 +1485,8 @@ See also [TeX](#tex)
 * [Rails Girls Guides](http://guides.railsgirls.com)
 * [Ruby on Rails Guides](http://guides.rubyonrails.org)
 * [Ruby on Rails Tutorial: Learn Rails By Example](http://ruby.railstutorial.org/ruby-on-rails-tutorial-book)
+* [Ruby on Rails 3.2 - Step by Step](http://www.xyzpub.com/en/ruby-on-rails/3.2/)
+* [Ruby on Rails 4.0 Guide](http://www.xyzpub.com/en/ruby-on-rails/4.0/)
 * [Upgrading to Rails 4](https://github.com/alindeman/upgradingtorails4)