Updated the chapters structure.

book-content/es/10-recipes/toc.markdown

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+# recipes
+
+ <ul class='toc'><li><a href='/en/recipes/blog'>Simple blog</a></li></ul>
+
+<ul class='toc'><li><a href='/en/recipes/slice'>Blog Slice</a></li></ul> 

book-content/es/11-deployment/toc.markdown

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+# deployment
+
+ <ul class='toc'><li><a href='/en/deployment/passenger'>Passenger</a><ul style='list-style: none;'><li><a href='/en/deployment/passenger#installing_ruby_enterprise_edition_ree'>Installing Ruby Enterprise Edition (REE)</a><ul style='list-style: none;'><li><a href='/en/deployment/passenger#download_ree'>Download REE</a></li><li><a href='/en/deployment/passenger#install'>Install</a></li></ul></li><li><a href='/en/deployment/passenger#installing_passenger'>Installing Passenger</a></li><li><a href='/en/deployment/passenger#configuration'>Configuration</a><ul style='list-style: none;'><li><a href='/en/deployment/passenger#configru'>config.ru</a></li></ul></li><li><a href='/en/deployment/passenger#capistrano_task'>Capistrano Task</a></li></ul></li></ul>
+
+<ul class='toc'><li><a href='/en/deployment/nginx'>Nginx</a><ul style='list-style: none;'><li><a href='/en/deployment/nginx#installation'>Installation</a><ul style='list-style: none;'><li><a href='/en/deployment/nginx#mac_os_x_requires_macports'>Mac OS X (requires <a href='http://macports.org/'>MacPorts</a>)</a></li><li><a href='/en/deployment/nginx#debian__ubuntu_linux'>Debian / Ubuntu Linux</a></li><li><a href='/en/deployment/nginx#gentoo_linux'>Gentoo Linux</a></li></ul></li><li><a href='/en/deployment/nginx#configuration'>Configuration</a><ul style='list-style: none;'><li><a href='/en/deployment/nginx#etcnginxnginxconf'>/etc/nginx/nginx.conf</a></li></ul></li><li><a href='/en/deployment/nginx#capistrano_task'>Capistrano Task</a></li><li><a href='/en/deployment/nginx#monit'>Monit</a></li></ul></li></ul>
+
+<ul class='toc'><li><a href='/en/deployment/jruby'>JRuby and Glassfish</a></li></ul>
+
+<ul class='toc'><li><a href='/en/deployment/bundle'>Bundling your Merb application</a><ul style='list-style: none;'><li><a href='/en/deployment/bundle#why_bundling'>Why bundling</a></li><li><a href='/en/deployment/bundle#how_to_bundle'>How to bundle</a></li></ul></li></ul> 

book-content/es/13-appendix/toc.markdown

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+# appendix
+
+ <ul class='toc'><li><a href='/en/appendix/tips'>Hints and Tips</a></li></ul>
+
+<ul class='toc'><li><a href='/en/appendix/slices'>Available Slices</a></li></ul>
+
+<ul class='toc'><li><a href='/en/appendix/gems'>Useful Gems</a></li></ul> 

book-content/es/15-migration-to-rails3/1-merb-and-rails-merge.markdown

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+# La fusión entre Merb y Rails
+
+* Esto será una tabla de contenidos (este texto será pegado).
+{:toc}

book-content/es/15-migration-to-rails3/toc.markdown

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+# migration-to-rails3
+
+<ul class='toc'>
+	<li><a href='/es/migration-to-rails3/merge'>La fusión entre Merb y Rails</a></li>
+</ul> 

book-content/es/4-interacting-with-the-database-active_record/1-setting-up.markdown

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+# Configurando Active Record
+
+* Esto será una tabla de contenidos (este texto será pegado).
+{:toc}

book-content/es/4-interacting-with-the-database-active_record/2-queries.markdown

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+# Consultas a la base de datos con Active Record
+
+* Esto será una tabla de contenidos (este texto será pegado).
+{:toc}

book-content/es/4-interacting-with-the-database-active_record/toc.markdown

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+# Interactuando con la base de datos utilizando Active Record
+
+<ul class='toc'>
+	<li><a href='/es/4-interacting-with-the-database-active_record/up'>Configurando Active Record</a></li>
+	<li><a href='/es/4-interacting-with-the-database-active_record/queries'>Consultas a la base de datos</a></li>
+</ul>

book-content/es/5-interacting-with-the-database-sequel/1-setting-up.markdown

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+# Instalacion y configuracion
+
+## Generando un proyecto utilizando Sequel
+A fin de crear una aplicacion Merb utilizando Sequel, 
+To create a core app with Sequel, merb-gen takes a `--orm` flag.
+
+    $ merb-gen core --orm sequel new_app
+
+This will build the desired application, but falls a little short when it comes to bells and whistles.
+
+To achieve results similar to merb-gen app, the merb-sequel-stack gem can be used.
+
+    $ git clone git://github.com/jackdempsey/merb-sequel-stack.git
+    $ cd merb-sequel-stack/
+    $ rake install
+
+merb-gen will now include a sequel-app generator.
+This will generate an app that uses Sequel, rspec, and the rest of what can be expected from `merb-gen app`.
+
+    $merb-gen sequel-app new_app
+
+By default, `merb-gen sequel-app` will generate a database.yml file that uses sqlite3.
+For more info, check out the [repository][].
+
+
+[repository]:       http://github.com/jackdempsey/merb-sequel-stack/tree

book-content/es/5-interacting-with-the-database-sequel/2-database-migrations.markdown

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+#Database Migrations
+
+Sequel migrations will be generated with any merb-gen task that creates a model.
+
+    $ merb-gen model post
+    Generating with model generator:
+         [ADDED]  spec/models/post_spec.rb
+         [ADDED]  app/models/post.rb
+         [ADDED]  schema/migrations/001_post_migration.rb
+         
+    $ cat schema/migrations/001_post_migration.rb
+
+    # For details on Sequel migrations see 
+    # http://sequel.rubyforge.org/
+
+    class PostMigration < Sequel::Migration
+
+      def up
+        create_table :posts do
+          primary_key :id
+        end
+      end
+
+      def down
+        drop_table :posts
+      end
+
+    end
+
+Columns can be added to the table definition using the `#column` method or the column type can be used as the method in the specification.
+
+    class PostMigration < Sequel::Migration
+
+      def up
+        create_table :posts do
+          primary_key :id
+          string      :title
+          text        :body
+          boolean     :published, :default => false
+        end
+      end
+      
+      def down
+        drop_table :posts
+      end
+
+    end
+
+After editing the migration, it can be run with a rake task.
+
+    $ rake sequel:db:migrate
+
+A VERSION flag can be specified to roll back to particular migration versions.

book-content/es/5-interacting-with-the-database-sequel/3-data-retrieval-and-manipulation.markdown

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+#Database Retreival and Manipulation
+
+##Finding records
+
+Square brackets will return a single object.
+A primary key can be passed in as parameter, or a hash, which is used as a set of conditions.
+
+    $ merb -i
+    >> Post[1]
+    => #<Post @values={:published=>false, :body=>"This is a blog post", :id=>1, :title=>"First Post"}>
+
+    >> Post[:title => 'First Post']
+    => #<Post @values={:published=>false, :body=>"This is a blog post", :id=>1, :title=>"First Post"}>
+
+`Post.all` will return the entire set of Post objects.
+The Sequel model is treated like a Sequel dataset.
+All of the selection and refinement methods available to a dataset can be applied to a Sequel::Model. 
+To simplify the following examples, the SQL statements produced by Sequel::Model have been shown.
+
+    $ merb -i
+    >> Post.all
+     ~ SELECT * FROM `posts`
+     
+    >> Post.filter(:published => true).all
+     ~ SELECT * FROM `posts` WHERE (`published` = 't')
+
+    >> Post.exclude(:published => true).all
+     ~ SELECT * FROM `posts` WHERE (`published` != 't')
+     
+    >> Post.order(:created_at.desc).paginate(2, 10).all
+      ~ SELECT * FROM `posts` ORDER BY `created_at` DESC LIMIT 10 OFFSET 10
+      
+##The Other Three Letters in CRUD
+
+###Create
+
+    >> p = Post.create(:title => 'second post', :body => 'another post for something')
+    => #<Post @values={:published=>false, :body=>"another post for something", :id=>2, :title=>"second post"}>
+    >> p.new?
+    => false
+
+###Update
+
+    >> p = Post[2]
+    => #<Post @values={:published=>false, :body=>"another post for something", :id=>2, :title=>"second post"}>
+    >> p.update(:title => 'replacement title')
+    => #<Post @values={:published=>false, :body=>"another post for something", :id=>2, :title=>"replacement title"}>
+
+###Delete
+
+    >> p = Post[2]
+    => p.destroy
+    >> p.exists?
+    => false
+
+Mass deletions are also available.
+
+    # This will run destruction hooks on each object
+    Post.filter(:user_id => 3).destroy
+
+    # This is faster, but will not run hooks.
+    # It just runs a single query.
+    Post.filter(:user_id => 3).delete
+
+A simple way to see Sequel CRUD in action is to merb-gen a resource and view the generated controller.

book-content/es/5-interacting-with-the-database-sequel/4-model-associations.markdown

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+#Model Associations
+
+`Sequel::Model` has a very simple set of association methods.
+Sequel provides `many_to_one`, `one_to_many` and `many_to_many` to create database associations.
+
+
+##One to Many
+
+    class Post < Sequel::Model
+      one_to_many :comments
+    end
+{:lang=ruby html_use_syntax=true}
+
+
+
+The Post class above now has a set of association methods similar to ActiveRecord's has\_many.    
+
+##Many to One
+
+    class Post < Sequel::Model
+      many_to_one :user
+    end
+{:lang=ruby html_use_syntax=true}
+
+##Many to Many
+
+    class Post < Sequel::Model
+      many_to_many :tags
+    end
+{:lang=ruby html_use_syntax=true}
+
+## One to One
+
+    class User < Sequel::Model
+      one_to_many :addresses, :one_to_one => true
+    end
+{:lang=ruby html_use_syntax=true}
+
+
+

book-content/es/5-interacting-with-the-database-sequel/5-model-validation.markdown

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+#Model Validation
+
+`Sequel::Model` provides a set of validation methods by default.
+The available standard validations are:
+
+ - acceptance\_of
+ - confirmation\_of
+ - format\_of
+ - length\_of
+ - numericality\_of
+ - presence\_of
+ - uniqueness\_of
+
+Validations can be specified in two ways within a class.
+
+    class User < Sequel::Model
+
+      validates_confirmation_of :password
+      validates_length_of :login, :minimum => 5
+      
+      # or
+      
+      validates do
+        confirmation_of :password
+        length_of :login, :minimum => 5
+      end
+    end
+{:lang=ruby html_use_syntax=true}
+
+
+
+By default, Sequel::Model will raise an error on validation failures.
+The class accessor `:raise_on_save_failure` can be set to false to avoid raising errors on validation failure.
+If `raise_on_save_failure` is false, the `#save` method will return false on failures
+
+An important distinction between Sequel::Model and ActiveRecord is the `#save!` method.
+In Sequel::Model, `#save!` will update the record without validation.
+This is significantly different from ActiveRecord, which will run validations and raise an error on failure.
+
+If validation fails, errors can be accessed on the object with the `#errors` method.
+
+    User.raise_on_save_faliure = false
+    u = User.new(:login => 3)
+
+    u.save
+    => false
+    u.errors.on(:login)
+    => 'is too short'
+{:lang=ruby html_use_syntax=true}
+
+
+A full set of documentation for model validations can be found in the [Merb::Sequel documentation][]
+
+
+[Merb::Sequel documentation]: http://sequel.rubyforge.org/rdoc/classes/Sequel/Model.html

book-content/es/5-interacting-with-the-database-sequel/6-sequel-plugins.markdown

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+#Sequel Plugins
+
+Sequel::Model may seem like the minimal set of functionality for an ORM, but it is easy to extend its capabilities.
+Sequel Plugins are libraries packaged as gems which can add useful functionality to your models.
+Plugins are named like `sequel_pluginname`.
+They're used in models by declaring `is :pluginname`.
+Plugins for Sequel are painless to use, and are easy to write.
+
+
+##Useful Plugins
+
+###sequel\_timestamped
+
+As the name would indicate, sequel\_timestamped will update standard timestamp columns in your model.
+
+    class Note < Sequel::Model
+      is :timestamped
+    end
+
+If the model has `created_at` and `updated_at` timestamp columns, they will be updated as expected.
+
+Here's the [sequel\_timestamped source][].
+
+###sequel\_notnaughty
+
+The sequel\_notnaughty plugin replaces standard Sequel::Model validation with not-naughty validation.
+Not-naughty is a gem that provides an easily extensible validation framework.
+
+    class User < Sequel::Model
+      is :notnaughty
+
+      #now use the not-naughty syntax for validation
+      validates do
+        presence_of :login
+        length_of :login, :minimum => 5
+      end
+    end
+
+Here's the [sequel\_notnaughty source][], and the [not-naughty source][].
+
+
+###sequel\_polymorphic
+
+Sequel\_polymorphic takes the hard work of setting up polymorphic relationships out of your hands.
+The plugin adds functionality to Sequel's associations to handle these situations.
+
+    class Note < Sequel::Model
+      is :polymorphic
+      one_to_many :assets, :as => :attachable
+    end
+
+    class Asset < Sequel::Model
+      is :polymorphic
+      many_to_one :attachable, :polymorphic => true
+    end
+
+This will create a transparent polymorphic relationship between the Note and its Assets.
+
+Here's the [sequel\_polymorphic source][].
+
+###sequel\_taggable
+
+Sequel taggable is another plugin developed by Jack Dempsey while working with Merb.
+It just adds simple tagging methods to a model.
+As of right now, there are no tasks with the plugin to generate a Tag table.
+There is, however, a migration included in the plugin source.
+
+    class Article < Sequel::Model
+      is :taggable
+    end
+
+    a = Article.create(:title => "My first article")
+    t = Tag.create(:name => "a tag")
+    a.add_tag(t)
+
+Sequel\_taggable depends on the sequel\_polymophic plugin.
+Here's the [sequel\_taggable source][].
+
+[sequel_timestamped source]:    http://github.com/bricooke/sequel_timestamped/tree/master
+
+[sequel_notnaughty source]:     http://github.com/boof/sequel_notnaughty/tree/master
+
+[not-naughty source]:           http://github.com/boof/not-naughty/tree/master
+
+[sequel_polymorphic source]:    http://github.com/jackdempsey/sequel_polymorphic/tree/master
+
+[sequel_taggable source]: http://github.com/jackdempsey/sequel_taggable/tree/master