<%= link_to content_tag(:i, nil, :class => 'icon-cog icon-white') + t('setting'), admin_book_setting_path, :class => 'btn btn-primary pull-right' %>
<%= link_to content_tag(:i, nil, :class => 'icon-plus icon-white') + t('announcement.add_new'), new_admin_book_path, :class => 'btn btn-primary pull-right' %>