Orbit/app/controllers/desktop_publications_controller.rb

require 'mime/types'

class DesktopPublicationsController< ApplicationController
  def books
    render "desktop/books", :layout => false
  end

  def books_list
    render "desktop/books/list", :layout => false
  end

  def books_add
    render "desktop/books/add", :layout => false
  end
end